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281 bytes added ,  19:27, February 22, 2011
What is the most important greenhouse gas? CO2 or water vapor?
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Jack M. Hollander wrote:
 
Jack M. Hollander wrote:
 
*The planet has warmed since the mid-1800s, but before that it cooled for more than five centuries. Cycles of warming and cooling have been part of Earth's natural [[climate history]] for millions of years. So what is the [[global warming debate]] about? It's about the proposition that human use of [[fossil fuels]] has contributed significantly to the past century's warming, and that expected future warming may have catastrophic global consequences. But hard evidence for this human contribution simply does not exist; the evidence we have is suggestive at best. Does that mean the human effects are not occurring? Not necessarily. But [[Climategate_media_coverage#Climategate_media_coverage|media coverage]] of global warming has been so alarmist that it fails to convey how flimsy the evidence really is. Most people don't realize that many strong statements about a human contribution to global warming are based more on [[politics]] than on [[science]]. Indeed, the climate change issue has become so highly [[Politicization of science|politicized]] that its scientific and political aspects are now almost indistinguishable. <ref>http://goliath.ecnext.com/coms2/summary_0199-2875898_ITM Global Warming: Both Sides</ref>
 
*The planet has warmed since the mid-1800s, but before that it cooled for more than five centuries. Cycles of warming and cooling have been part of Earth's natural [[climate history]] for millions of years. So what is the [[global warming debate]] about? It's about the proposition that human use of [[fossil fuels]] has contributed significantly to the past century's warming, and that expected future warming may have catastrophic global consequences. But hard evidence for this human contribution simply does not exist; the evidence we have is suggestive at best. Does that mean the human effects are not occurring? Not necessarily. But [[Climategate_media_coverage#Climategate_media_coverage|media coverage]] of global warming has been so alarmist that it fails to convey how flimsy the evidence really is. Most people don't realize that many strong statements about a human contribution to global warming are based more on [[politics]] than on [[science]]. Indeed, the climate change issue has become so highly [[Politicization of science|politicized]] that its scientific and political aspects are now almost indistinguishable. <ref>http://goliath.ecnext.com/coms2/summary_0199-2875898_ITM Global Warming: Both Sides</ref>
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==Questions==
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*What is the most important greenhouse gas?
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*#AGW proponents say it's [[carbon dioxide]]
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*#A peer-reviewed scientific paper says it's [[water vapor]]<ref>"Water vapor is the most important greenhouse gas ..." [http://thejll.com/Frascati/ReichelThejllLassenSCL.pdf]
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==Hypocrisy==
 
==Hypocrisy==
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