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<blockquote data-quote="JTL" data-source="post: 2221835" data-attributes="member: 49289"><p>When the coal and gas and oil were mostly still in the sky a long time ago it is estimated that CO2 levels were around 2000 ppm and the world was lush and green and teeming with life.</p><p>Where did all that life supporting CO2 come from?</p><p>It was obviously a natural process meaning it could one day revert to that.</p><p>Does physics support the idea that we could somehow stop that happening again should it start reverting and would it be sensible and desirable to do so if we could?</p></blockquote><p></p>
[QUOTE="JTL, post: 2221835, member: 49289"] When the coal and gas and oil were mostly still in the sky a long time ago it is estimated that CO2 levels were around 2000 ppm and the world was lush and green and teeming with life. Where did all that life supporting CO2 come from? It was obviously a natural process meaning it could one day revert to that. Does physics support the idea that we could somehow stop that happening again should it start reverting and would it be sensible and desirable to do so if we could? [/QUOTE]
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