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Politics : Formerly About Advanced Micro Devices -- Ignore unavailable to you. Want to Upgrade?

To: Taro who wrote (272066)	2/4/2006 7:30:26 PM
From: combjelly	Read Replies (1) \| Respond to of 1576899

"Assuming Chrichton doesn't have the knowledge as you report, at least based on his list of sources in "State of Fear"," Possibly. And likely he simplified things for the novel. But human influence on global warming is pretty well accepted at this point in time. No other mechanism for the rise in CO2 is provable, and it is certainly a gas that can influence climate. The discovery that the Earth has frozen solid on at least one occasion, and thawed only because volcanoes dumped enough CO2 so it could defrost, pretty much sewed the argument up. Because an ice bound Earth is a stable condition. No clouds because there isn't significant moisture. Albedo is very high, so most of the solar radiation gets reflected back into space and doesn't get absorbed in the non-existent clouds. Nothing can push the situation off of TDC except for the slow build up of CO2 being released. Now certainly there can be quite a bit of variation and we aren't yet at the extreme. Europe, for example, was at one point warmer than it is now. Prior to the 14th century, for example, Britain was a big exporter of wine. But the Little Ice Age settled in, and changed all that. It is thought by many that the reason why the Little Ice Age ended was because of rising CO2, at least it corresponds very nicely with a significant increase due to growing industrialization. It happens. It is real. While there might be some reasonable argument as to degree, to argue that it doesn't occur goes against what is now accepted science.