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	<title>Environmentally harmful gas - Revision history</title>
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	<updated>2026-05-08T12:39:39Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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		<id>https://keystagewiki.com/index.php?title=Environmentally_harmful_gas&amp;diff=18048&amp;oldid=prev</id>
		<title>Holly Simms: Created page with &quot;===Meaning=== An '''environmentally harmful gas''' is a gas that has a negative impact on the earth's atmosphere by contributing to the greenhouse effect and therefore...&quot;</title>
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		<updated>2019-07-29T11:16:24Z</updated>

		<summary type="html">&lt;p&gt;Created page with &amp;quot;===Meaning=== An &amp;#039;&amp;#039;&amp;#039;environmentally harmful gas&amp;#039;&amp;#039;&amp;#039; is a gas that has a negative impact on the &lt;a href=&quot;/index.php?title=Earth%27s_atmosphere&amp;amp;action=edit&amp;amp;redlink=1&quot; class=&quot;new&quot; title=&quot;Earth&amp;#039;s atmosphere (page does not exist)&quot;&gt;earth&amp;#039;s atmosphere&lt;/a&gt; by contributing to the &lt;a href=&quot;/index.php?title=Greenhouse_effect&amp;amp;action=edit&amp;amp;redlink=1&quot; class=&quot;new&quot; title=&quot;Greenhouse effect (page does not exist)&quot;&gt;greenhouse effect&lt;/a&gt; and therefore...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;===Meaning===&lt;br /&gt;
An '''environmentally harmful gas''' is a gas that has a negative impact on the [[earth's atmosphere]] by contributing to the [[greenhouse effect]] and therefore increasing the impact of processes such as [[global warming]]. Examples of these gases are [[carbon monoxide]] and [[sulphur dioxide]].&lt;/div&gt;</summary>
		<author><name>Holly Simms</name></author>
		
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