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	<title>Coal mined (mass) - Revision history</title>
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	<updated>2026-06-01T12:21:45Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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		<id>https://wiki.signal-earth.org/index.php?title=Coal_mined_(mass)&amp;diff=123&amp;oldid=prev</id>
		<title>Rtuffli: SIGNAL publish from draft v85</title>
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		<updated>2026-05-29T21:46:38Z</updated>

		<summary type="html">&lt;p&gt;SIGNAL publish from draft v85&lt;/p&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 21:46, 29 May 2026&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l23&quot;&gt;Line 23:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 23:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;!-- SIGNAL_EARTH_INFOBOX_END --&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;!-- SIGNAL_EARTH_INFOBOX_END --&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{SignalTerm|type=DS|id=DS-00067|label=Coal mined (mass)}} Coal mining is the process of extracting coal from the Earth&#039;s &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;subsurface, serving &lt;/del&gt;as a significant &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;source &lt;/del&gt;of energy and &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;raw materials for various &lt;/del&gt;industrial &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;processes worldwide&lt;/del&gt;. The mass of coal mined is a critical &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;indicator of human activity impacting geological and environmental systems. This phenomenon reflects &lt;/del&gt;the scale &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;and intensity &lt;/del&gt;of &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;resource &lt;/del&gt;extraction&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;, influencing land use, ecosystem dynamics, &lt;/del&gt;and &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;atmospheric emissions&lt;/del&gt;.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{SignalTerm|type=DS|id=DS-00067|label=Coal mined (mass)}} Coal mining is the process of extracting coal&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;, a combustible sedimentary rock, &lt;/ins&gt;from the Earth&#039;s &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;crust for use primarily &lt;/ins&gt;as &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;an energy source. It remains &lt;/ins&gt;a significant &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;component &lt;/ins&gt;of &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;global &lt;/ins&gt;energy &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;production &lt;/ins&gt;and industrial &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;activity&lt;/ins&gt;. The mass of coal mined is a critical &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;metric for understanding &lt;/ins&gt;the scale of extraction &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;activities and their associated environmental &lt;/ins&gt;and &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;socioeconomic impacts&lt;/ins&gt;.  &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;As a globally relevant environmental parameter, coal &lt;/del&gt;mining contributes to &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;multiple &lt;/del&gt;environmental pressures, including habitat alteration&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;, air and water quality changes&lt;/del&gt;, and greenhouse gas emissions. &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Understanding &lt;/del&gt;the &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;quantity &lt;/del&gt;of coal mined &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;over time &lt;/del&gt;supports assessments of &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;anthropogenic stressors on the environment &lt;/del&gt;and &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;informs broader analyses of energy production and consumption patterns&lt;/del&gt;.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Coal &lt;/ins&gt;mining contributes to &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;various &lt;/ins&gt;environmental pressures, including &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;land disturbance, &lt;/ins&gt;habitat alteration, and greenhouse gas emissions. &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Quantifying &lt;/ins&gt;the &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;mass &lt;/ins&gt;of coal mined &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;provides insight into the intensity of these pressures and &lt;/ins&gt;supports assessments of &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;resource depletion &lt;/ins&gt;and &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;environmental stress&lt;/ins&gt;.  &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Within the context of environmental &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;monitoring&lt;/del&gt;, &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;quantifying &lt;/del&gt;coal mined &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;by mass enables standardized comparisons across regions &lt;/del&gt;and &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;time periods. It also facilitates integration with other &lt;/del&gt;environmental &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;signals to evaluate cumulative impacts &lt;/del&gt;and &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;trends within Earth system processes&lt;/del&gt;.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Within the &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;broader &lt;/ins&gt;context of &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;human-driven &lt;/ins&gt;environmental &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;changes&lt;/ins&gt;, &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;coal mining represents a driver condition that influences multiple ecological and atmospheric systems. Monitoring the mass of &lt;/ins&gt;coal mined &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;globally informs policy, economic planning, &lt;/ins&gt;and environmental &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;management efforts at regional &lt;/ins&gt;and &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;international scales&lt;/ins&gt;.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Geographic / System Context ==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Geographic / System Context ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Coal mining occurs &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;in diverse geographic settings &lt;/del&gt;worldwide, &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;including extensive coal basins, mountain &lt;/del&gt;regions&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;, and sedimentary basins. Major coal-producing regions span continents &lt;/del&gt;such as &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Asia, &lt;/del&gt;North America, Europe, Australia&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;, and Africa&lt;/del&gt;. The geographic distribution &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;of coal mining reflects the location &lt;/del&gt;of coal deposits &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;formed over geological timescales, often concentrated in sedimentary rock formations.&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Coal mining occurs worldwide, &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;with significant operations concentrated in &lt;/ins&gt;regions such as North America&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;, Asia&lt;/ins&gt;, Europe, &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;and &lt;/ins&gt;Australia. The geographic distribution of coal deposits &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;influences &lt;/ins&gt;mining &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;activity&lt;/ins&gt;, &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;which ranges &lt;/ins&gt;from surface mining &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;techniques in shallow deposits &lt;/ins&gt;to underground mining &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;in deeper seams. These activities are embedded within diverse environmental systems including forested landscapes, grasslands&lt;/ins&gt;, and &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;mountainous regions&lt;/ins&gt;. The &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;geographic context also encompasses the socio-political and economic frameworks &lt;/ins&gt;of coal&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;-producing countries, which affect &lt;/ins&gt;mining &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;intensity &lt;/ins&gt;and &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;regulation&lt;/ins&gt;.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt; &lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-added&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;The environmental systems affected by coal &lt;/del&gt;mining &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;include terrestrial ecosystems&lt;/del&gt;, &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;groundwater and surface water systems, and atmospheric layers. Mining activities range &lt;/del&gt;from surface mining &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;methods such as open-pit and strip mining &lt;/del&gt;to underground mining &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;techniques&lt;/del&gt;, &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;each with distinct spatial footprints &lt;/del&gt;and &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;environmental interactions&lt;/del&gt;. The &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;global scope &lt;/del&gt;of coal mining &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;necessitates monitoring across multiple geopolitical &lt;/del&gt;and &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;ecological zones to capture its environmental implications comprehensively&lt;/del&gt;.&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-added&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Monitoring and Measurement ==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Monitoring and Measurement ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;measurement &lt;/del&gt;of coal mined &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;by mass &lt;/del&gt;is &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;conducted &lt;/del&gt;through &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;industrial reporting&lt;/del&gt;, government &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;statistics&lt;/del&gt;, and international &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;energy agencies&lt;/del&gt;. &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Data are typically collected from mining companies, regulatory bodies, and trade organizations, providing periodic reports &lt;/del&gt;on &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;coal production volumes. Standard &lt;/del&gt;units &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;of measurement are &lt;/del&gt;metric tonnes (t), &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;enabling consistent &lt;/del&gt;aggregation &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;and comparison&lt;/del&gt;.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;mass &lt;/ins&gt;of coal mined is &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;typically monitored &lt;/ins&gt;through &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;production data reported by mining companies&lt;/ins&gt;, government &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;agencies&lt;/ins&gt;, and international &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;organizations&lt;/ins&gt;. &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Measurement conventions rely &lt;/ins&gt;on &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;standardized &lt;/ins&gt;units &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;such as &lt;/ins&gt;metric tonnes (t) &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;and often involve periodic reporting intervals&lt;/ins&gt;, &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;including monthly, quarterly, or annual summaries. Data collection methods include direct measurement at extraction sites, weighbridge records, and statistical &lt;/ins&gt;aggregation &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;from operational reports&lt;/ins&gt;. &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Institutions involved in &lt;/ins&gt;monitoring coal &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;production include national geological surveys&lt;/ins&gt;, &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;energy ministries&lt;/ins&gt;, and &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;international bodies &lt;/ins&gt;such as the International Energy Agency (IEA).&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt; &lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-added&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Scientific &lt;/del&gt;monitoring &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;of &lt;/del&gt;coal &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;mining incorporates remote sensing technologies&lt;/del&gt;, &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;geographic information systems (GIS)&lt;/del&gt;, and &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;field surveys to assess mining extents and associated land cover changes. These methods complement production data by offering spatially explicit observations of mining impacts. International organizations &lt;/del&gt;such as the International Energy Agency (IEA) &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;and national geological surveys contribute to compiling and verifying coal production statistics&lt;/del&gt;.&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-added&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Within the SIGNAL system, this phenomenon is treated as a defined environmental signal whose boundaries and measurement conventions are described below.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Within the SIGNAL system, this phenomenon is treated as a defined environmental signal whose boundaries and measurement conventions are described below.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Signal Definition ==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Signal Definition ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;{{SignalTerm|type=DS|id=DS-00067|label=&lt;/del&gt;Coal mined (mass)&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;}} &lt;/del&gt;quantifies the total mass of coal extracted from the Earth&#039;s crust over a specified &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;temporal &lt;/del&gt;period, expressed in metric tonnes. &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;This signal &lt;/del&gt;represents a DRIVER condition within the human domain, &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;indicating anthropogenic &lt;/del&gt;pressure &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;related to fossil fuel resource extraction&lt;/del&gt;. The &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;measurement focuses on &lt;/del&gt;the mass of coal &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;physically &lt;/del&gt;removed &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;from &lt;/del&gt;mining &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;sites, encompassing all extraction methods and &lt;/del&gt;coal &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;types&lt;/del&gt;.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;The signal &#039;&lt;/ins&gt;Coal mined (mass)&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&#039; &lt;/ins&gt;quantifies the total mass of coal extracted from the Earth&#039;s crust over a specified &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;time &lt;/ins&gt;period, expressed in metric tonnes &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;(t)&lt;/ins&gt;. &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;It &lt;/ins&gt;represents a DRIVER condition within the human domain, &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;reflecting the scale of coal extraction activities that exert &lt;/ins&gt;pressure &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;on environmental systems&lt;/ins&gt;. The &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;signal captures &lt;/ins&gt;the &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;aggregate &lt;/ins&gt;mass of coal removed&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;, irrespective of &lt;/ins&gt;mining &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;method or &lt;/ins&gt;coal &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;type&lt;/ins&gt;.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Boundary Conditions ==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Boundary Conditions ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Boundary inclusions encompass all coal &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;extracted for commercial or industrial use&lt;/del&gt;, including &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;bituminous&lt;/del&gt;, &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;sub&lt;/del&gt;-&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;bituminous, anthracite&lt;/del&gt;, and &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;lignite coal types&lt;/del&gt;. &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Both surface &lt;/del&gt;and &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;underground &lt;/del&gt;mining &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;operations are included, regardless of geographic location&lt;/del&gt;. The &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;temporal boundaries align with periodic reporting intervals&lt;/del&gt;, &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;typically annual or quarterly&lt;/del&gt;.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Boundary inclusions encompass all &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;forms of coal extraction that result in the removal of &lt;/ins&gt;coal &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;mass from geological deposits&lt;/ins&gt;, including &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;surface mining (e.g.&lt;/ins&gt;, &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;open&lt;/ins&gt;-&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;pit&lt;/ins&gt;, &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;strip mining) &lt;/ins&gt;and &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;underground mining (e.g&lt;/ins&gt;.&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;, room &lt;/ins&gt;and &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;pillar, longwall &lt;/ins&gt;mining&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;)&lt;/ins&gt;. The &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;signal includes coal extracted for all uses, such as energy production, industrial processes&lt;/ins&gt;, &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;and export&lt;/ins&gt;. Boundary exclusions &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;comprise &lt;/ins&gt;coal reserves that remain unmined, coal lost or wasted during extraction processes &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;not accounted &lt;/ins&gt;for in &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;production data&lt;/ins&gt;, &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;and other fossil fuels such as lignite &lt;/ins&gt;or &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;peat unless explicitly classified &lt;/ins&gt;as coal &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;in reporting standards&lt;/ins&gt;.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt; &lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-added&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Boundary exclusions &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;include &lt;/del&gt;coal reserves that remain unmined, coal lost or wasted during extraction processes&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;, and coal extracted &lt;/del&gt;for &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;non-commercial purposes not captured &lt;/del&gt;in &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;official statistics. Additionally&lt;/del&gt;, &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;byproducts &lt;/del&gt;or &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;processed coal derivatives are excluded, &lt;/del&gt;as &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;the signal specifically measures raw &lt;/del&gt;coal &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;mass mined&lt;/del&gt;.&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-added&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Aggregation Semantics ==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Aggregation Semantics ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Geographically, &lt;/del&gt;the &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;signal aggregates &lt;/del&gt;coal &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;mass &lt;/del&gt;mined &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;across defined spatial units ranging &lt;/del&gt;from local mining sites to national and global &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;scales&lt;/del&gt;, enabling &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;multi-level &lt;/del&gt;analysis of extraction intensity. &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Temporally, &lt;/del&gt;aggregation follows periodic intervals &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;consistent &lt;/del&gt;with reporting cycles, &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;such as &lt;/del&gt;annual &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;totals&lt;/del&gt;, facilitating trend &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;assessments &lt;/del&gt;over time.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Geographic aggregation of &lt;/ins&gt;the coal mined &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;signal is conducted at multiple scales, &lt;/ins&gt;from local mining sites to national and global &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;totals&lt;/ins&gt;, enabling &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;spatial &lt;/ins&gt;analysis of extraction intensity &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;and distribution&lt;/ins&gt;. &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Temporal &lt;/ins&gt;aggregation follows periodic intervals &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;aligned &lt;/ins&gt;with reporting cycles, &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;commonly &lt;/ins&gt;annual &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;or quarterly&lt;/ins&gt;, facilitating trend &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;analysis &lt;/ins&gt;over time. Cross-signal aggregation &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;may involve &lt;/ins&gt;integrating coal mined data with &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;related &lt;/ins&gt;environmental signals &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;such as greenhouse gas emissions, &lt;/ins&gt;land use change, and &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;water resource &lt;/ins&gt;impacts to &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;assess cumulative pressures &lt;/ins&gt;and &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;environmental responses&lt;/ins&gt;.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt; &lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-added&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Cross-signal aggregation &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;involves &lt;/del&gt;integrating coal mined data with &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;other &lt;/del&gt;environmental signals &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;related to &lt;/del&gt;land use change&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;, air emissions&lt;/del&gt;, and &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;ecological &lt;/del&gt;impacts&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;. This integration supports comprehensive evaluations of coal mining as a pressure within coupled human-environment systems. Aggregation notes emphasize the importance of harmonizing data sources and temporal resolutions &lt;/del&gt;to &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;ensure comparability &lt;/del&gt;and &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;accuracy&lt;/del&gt;.&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-added&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Observational Status ==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Observational Status ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Current monitoring &lt;/del&gt;of coal mined mass &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;relies primarily on industrial and governmental reporting mechanisms, supplemented by remote sensing and field observations. Data &lt;/del&gt;availability &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;varies &lt;/del&gt;by country and &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;region&lt;/del&gt;, &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;with some areas maintaining comprehensive records while others have limited &lt;/del&gt;reporting &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;infrastructure&lt;/del&gt;. &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;The &lt;/del&gt;SIGNAL &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;system anticipates incorporating &lt;/del&gt;improved &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;monitoring backbones and harmonized datasets in future releases to enhance spatial and &lt;/del&gt;temporal resolution&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;.&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Monitoring &lt;/ins&gt;of coal mined mass &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;is ongoing with data &lt;/ins&gt;availability &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;varying &lt;/ins&gt;by country and &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;reporting agency. While many nations maintain systematic production statistics&lt;/ins&gt;, &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;gaps and inconsistencies exist due to differing &lt;/ins&gt;reporting &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;standards and transparency levels&lt;/ins&gt;. &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Future &lt;/ins&gt;SIGNAL &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;releases may incorporate &lt;/ins&gt;improved &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;data harmonization, enhanced &lt;/ins&gt;temporal resolution&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;, &lt;/ins&gt;and integration &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;with complementary environmental datasets to support comprehensive &lt;/ins&gt;assessments of coal mining &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;impacts&lt;/ins&gt;.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt; &lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-added&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Ongoing developments in satellite-based observation &lt;/del&gt;and &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;data &lt;/del&gt;integration &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;methods may enable more direct and timely &lt;/del&gt;assessments of coal mining &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;activities. Future SIGNAL updates may also refine boundary definitions and aggregation methodologies to better capture emerging trends and environmental interactions&lt;/del&gt;.&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-added&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Related Signals ==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Related Signals ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Rtuffli</name></author>
	</entry>
	<entry>
		<id>https://wiki.signal-earth.org/index.php?title=Coal_mined_(mass)&amp;diff=103&amp;oldid=prev</id>
		<title>Rtuffli: SIGNAL publish from draft v65</title>
		<link rel="alternate" type="text/html" href="https://wiki.signal-earth.org/index.php?title=Coal_mined_(mass)&amp;diff=103&amp;oldid=prev"/>
		<updated>2026-05-29T21:26:23Z</updated>

		<summary type="html">&lt;p&gt;SIGNAL publish from draft v65&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;&amp;lt;!-- SIGNAL_EARTH_INFOBOX_START --&amp;gt;&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot; style=&amp;quot;float:right; clear:right; margin:0 0 1em 1em; width:320px;&amp;quot;&lt;br /&gt;
|+ SIGNAL Earth Structured Data&lt;br /&gt;
|-&lt;br /&gt;
! Object type&lt;br /&gt;
| Damage Signal&lt;br /&gt;
|-&lt;br /&gt;
! SIGNAL Earth ID&lt;br /&gt;
| DS-00067&lt;br /&gt;
|-&lt;br /&gt;
! Observable type&lt;br /&gt;
| Coal mined (mass)&lt;br /&gt;
|-&lt;br /&gt;
! Unit&lt;br /&gt;
| t (metric tons of coal extracted)&lt;br /&gt;
|-&lt;br /&gt;
! Temporal structure&lt;br /&gt;
| Periodic&lt;br /&gt;
|-&lt;br /&gt;
! Monitoring backbone&lt;br /&gt;
| —&lt;br /&gt;
|}&lt;br /&gt;
&amp;lt;!-- SIGNAL_EARTH_INFOBOX_END --&amp;gt;&lt;br /&gt;
&lt;br /&gt;
{{SignalTerm|type=DS|id=DS-00067|label=Coal mined (mass)}} Coal mining is the process of extracting coal from the Earth&amp;#039;s subsurface, serving as a significant source of energy and raw materials for various industrial processes worldwide. The mass of coal mined is a critical indicator of human activity impacting geological and environmental systems. This phenomenon reflects the scale and intensity of resource extraction, influencing land use, ecosystem dynamics, and atmospheric emissions.&lt;br /&gt;
&lt;br /&gt;
As a globally relevant environmental parameter, coal mining contributes to multiple environmental pressures, including habitat alteration, air and water quality changes, and greenhouse gas emissions. Understanding the quantity of coal mined over time supports assessments of anthropogenic stressors on the environment and informs broader analyses of energy production and consumption patterns.&lt;br /&gt;
&lt;br /&gt;
Within the context of environmental monitoring, quantifying coal mined by mass enables standardized comparisons across regions and time periods. It also facilitates integration with other environmental signals to evaluate cumulative impacts and trends within Earth system processes.&lt;br /&gt;
&lt;br /&gt;
== Geographic / System Context ==&lt;br /&gt;
Coal mining occurs in diverse geographic settings worldwide, including extensive coal basins, mountain regions, and sedimentary basins. Major coal-producing regions span continents such as Asia, North America, Europe, Australia, and Africa. The geographic distribution of coal mining reflects the location of coal deposits formed over geological timescales, often concentrated in sedimentary rock formations.&lt;br /&gt;
&lt;br /&gt;
The environmental systems affected by coal mining include terrestrial ecosystems, groundwater and surface water systems, and atmospheric layers. Mining activities range from surface mining methods such as open-pit and strip mining to underground mining techniques, each with distinct spatial footprints and environmental interactions. The global scope of coal mining necessitates monitoring across multiple geopolitical and ecological zones to capture its environmental implications comprehensively.&lt;br /&gt;
&lt;br /&gt;
== Monitoring and Measurement ==&lt;br /&gt;
The measurement of coal mined by mass is conducted through industrial reporting, government statistics, and international energy agencies. Data are typically collected from mining companies, regulatory bodies, and trade organizations, providing periodic reports on coal production volumes. Standard units of measurement are metric tonnes (t), enabling consistent aggregation and comparison.&lt;br /&gt;
&lt;br /&gt;
Scientific monitoring of coal mining incorporates remote sensing technologies, geographic information systems (GIS), and field surveys to assess mining extents and associated land cover changes. These methods complement production data by offering spatially explicit observations of mining impacts. International organizations such as the International Energy Agency (IEA) and national geological surveys contribute to compiling and verifying coal production statistics.&lt;br /&gt;
&lt;br /&gt;
Within the SIGNAL system, this phenomenon is treated as a defined environmental signal whose boundaries and measurement conventions are described below.&lt;br /&gt;
&lt;br /&gt;
== Signal Definition ==&lt;br /&gt;
{{SignalTerm|type=DS|id=DS-00067|label=Coal mined (mass)}} quantifies the total mass of coal extracted from the Earth&amp;#039;s crust over a specified temporal period, expressed in metric tonnes. This signal represents a DRIVER condition within the human domain, indicating anthropogenic pressure related to fossil fuel resource extraction. The measurement focuses on the mass of coal physically removed from mining sites, encompassing all extraction methods and coal types.&lt;br /&gt;
&lt;br /&gt;
== Boundary Conditions ==&lt;br /&gt;
Boundary inclusions encompass all coal extracted for commercial or industrial use, including bituminous, sub-bituminous, anthracite, and lignite coal types. Both surface and underground mining operations are included, regardless of geographic location. The temporal boundaries align with periodic reporting intervals, typically annual or quarterly.&lt;br /&gt;
&lt;br /&gt;
Boundary exclusions include coal reserves that remain unmined, coal lost or wasted during extraction processes, and coal extracted for non-commercial purposes not captured in official statistics. Additionally, byproducts or processed coal derivatives are excluded, as the signal specifically measures raw coal mass mined.&lt;br /&gt;
&lt;br /&gt;
== Aggregation Semantics ==&lt;br /&gt;
Geographically, the signal aggregates coal mass mined across defined spatial units ranging from local mining sites to national and global scales, enabling multi-level analysis of extraction intensity. Temporally, aggregation follows periodic intervals consistent with reporting cycles, such as annual totals, facilitating trend assessments over time.&lt;br /&gt;
&lt;br /&gt;
Cross-signal aggregation involves integrating coal mined data with other environmental signals related to land use change, air emissions, and ecological impacts. This integration supports comprehensive evaluations of coal mining as a pressure within coupled human-environment systems. Aggregation notes emphasize the importance of harmonizing data sources and temporal resolutions to ensure comparability and accuracy.&lt;br /&gt;
&lt;br /&gt;
== Observational Status ==&lt;br /&gt;
Current monitoring of coal mined mass relies primarily on industrial and governmental reporting mechanisms, supplemented by remote sensing and field observations. Data availability varies by country and region, with some areas maintaining comprehensive records while others have limited reporting infrastructure. The SIGNAL system anticipates incorporating improved monitoring backbones and harmonized datasets in future releases to enhance spatial and temporal resolution.&lt;br /&gt;
&lt;br /&gt;
Ongoing developments in satellite-based observation and data integration methods may enable more direct and timely assessments of coal mining activities. Future SIGNAL updates may also refine boundary definitions and aggregation methodologies to better capture emerging trends and environmental interactions.&lt;br /&gt;
&lt;br /&gt;
== Related Signals ==&lt;br /&gt;
* None specified&lt;br /&gt;
&lt;br /&gt;
&amp;lt;!-- SIGNAL_EARTH_PEOPLE_START --&amp;gt;&lt;br /&gt;
== Key Associated People ==&lt;br /&gt;
* None recorded&lt;br /&gt;
&amp;lt;!-- SIGNAL_EARTH_PEOPLE_END --&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&amp;lt;!-- SIGNAL_EARTH_SOURCES_START --&amp;gt;&lt;br /&gt;
== Sources ==&lt;br /&gt;
* None recorded&lt;br /&gt;
&amp;lt;!-- SIGNAL_EARTH_SOURCES_END --&amp;gt;&lt;/div&gt;</summary>
		<author><name>Rtuffli</name></author>
	</entry>
</feed>