Quote:
Originally Posted by glatt
The increase in CO2 got there from fossil fuel use and changes in land use.
How fast is it changing? See graph below. The Earth was going through cycles of ice ages until the beginning of the industrial age, and then the CO2 levels just took off.
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Didn't we go around on that before?
As I recall, cement production is as much a problem as anything.
From here, http://www.technologyreview.com/arti...imatechart.pdf
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Last edited by xoxoxoBruce; 04-07-2007 at 05:46 PM.
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04-06-2007, 05:49 AM
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