Happy Earth Day! Please see the "Global Warming Swindle" a wonderful documentary done by the BBC.Newest link to the video:
1. Blinkx
2. Google
The documentary makes a compeling case against the causal link between human CO2 and global warming. Looking at the same ice-core data that Al Gore features in his "An inconvienent truth," If you actually superimpose the CO2 and temp data there is a clear 800-year lag of Co2 behind temp. This is a further reminder of that age old scientific maxim that "correlation does not equal causation." Especially something that doesn't correlated very well.
The reason why CO2 goes up with temp. is because as the oceans warm due to increased solar luminocity, gas is less soluble is warm water than cold water. So, more Co2 diffuses out of the ocean into the atmosphere without any appreciable, additional affect on atmospheric temperature. The Co2 eventually maxs out as the oceans and atmosphere reach a new equalibrium. Then as the sun's luminosity decreases and the earth and oceans cool, the CO2 dissolves slowly back into the oceans again.
Yes, there is global warming caused by increased sun's luminosity (Mars ice cap is shrinking too), and that may cause global catastrophy and yes, we should be kinder to the environment, but the causal link of human CO2 and global warming is baseless.
[see also http://ldsdoctrine.blogspot.com/2007/03/family-values-vs-global-warming.html]
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