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Thread: Global warming.

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  1. #22
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    Re: Global warming.

    Quote Originally Posted by CowboyX View Post
    "Water vapor feedback can also amplify the warming effect of other greenhouse gases, such that the warming brought about by increased carbon dioxide allows more water vapor to enter the atmosphere."

    But the addition of water vapor seems nearly out of human control ????



    http://www.geocraft.com/WVFossils/greenhouse_data.html

    "Water vapor is 99.999% of natural origin. Other atmospheric greenhouse gases, carbon dioxide (CO2), methane (CH4), nitrous oxide (N2O), and miscellaneous other gases (CFC's, etc.), are also mostly of natural origin (except for the latter, which is mostly anthropogenic).
    Human activites contribute slightly to greenhouse gas concentrations through farming, manufacturing, power generation, and transportation. However, these emissions are so dwarfed in comparison to emissions from natural sources we can do nothing about, that even the most costly efforts to limit human emissions would have a very small-- perhaps undetectable-- effect on global climate."


    99.999% seems pretty conclusive...

 

 

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