Comments on: CR in TLS http://www.climate-resistance.org/2007/05/cr-in-tls.html Challenging Climate Orthodoxy Wed, 08 Feb 2012 23:47:31 +0000 hourly 1 http://wordpress.org/?v=3.2.1 By: CuriousOther http://www.climate-resistance.org/2007/05/cr-in-tls.html#comment-11 CuriousOther Tue, 15 May 2007 18:12:00 +0000 http://climateresistance.wordpress.com/2007/05/10/cr-in-tls/#comment-11 You write - "May writes that “CO2 is, of course, the principal ‘greenhouse gas’ in the atmosphere”. That is wrong whichever way you look at it: water vapour has far more influence on the global greenhouse, and other gases – methane, for example – are more potent, measure for measure."<br/><br/>Now call me layman, for thats what I am, but isn't water vapour a feedback mechanism in climate modelling. <br/>Increased CO2 raises temperatures which causes increased evaporation which causes increased temperature (and precipitation). So while water is an important contributor to warming it is not in itself a cause of that warming. You write – “May writes that “CO2 is, of course, the principal ‘greenhouse gas’ in the atmosphere”. That is wrong whichever way you look at it: water vapour has far more influence on the global greenhouse, and other gases – methane, for example – are more potent, measure for measure.”

Now call me layman, for thats what I am, but isn’t water vapour a feedback mechanism in climate modelling.
Increased CO2 raises temperatures which causes increased evaporation which causes increased temperature (and precipitation). So while water is an important contributor to warming it is not in itself a cause of that warming.

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