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Politics : Formerly About Advanced Micro Devices
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To: American Spirit who wrote (275055)2/17/2006 5:56:50 PM
From: d[-_-]b  Read Replies (3) of 1576481
 
as,

re:Global warming is a critical problem and almost all man-made.

As you (may) know the earth heats up and cools down and has done so for millions of years without man or the industrial revolution. CO2 levels have been as high as 7000 ppm in the past as compared to todays level of about 370 ppm. Ice ages have even occurred when the levels were near 4000 ppm, so CO2 is not the only component in global warming. We need better computer models as the ones in use today predict much higher temps (based on current CO2 levels) than we are experiencing today. So either somethings naturally mitigating the global warming effects of a CO2 rise, or the models are missing some critical elements. They are not accurately modeling the earth, we shouldn't do anything drastic based on flawed models.

I agree however that we should begin to reduce/control or emissions as best we can - starting with coal burning power plants as they generate the bulk of the CO2 today world wide and are easily modified.
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