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Politics : PRESIDENT GEORGE W. BUSH -- Ignore unavailable to you. Want to Upgrade?

To: miraje who wrote (431147)	7/22/2003 2:48:34 PM
From: TigerPaw	Respond to of 769670

It does not really matter if the earth was warm in the past. The real question is the ecosystems which have evolved to adapt to the weather as it has been in the last ten or twenty thousand years, and the amount of infrastructure in agriculture, ports, and resources that is utilized now. Any large scale disruption will result in great tragedies until a new stable situation develops. <font color=brown>The most feared consequence of global warming has been a catastrophic rise in sea level, resulting in coastal flooding and the disappearance of some islands. But new research indicates that increased ocean evaporation would lead to more rain--and therefore to more ice accumulation in the polar regions. As such, sea levels may actually drop. An empirical study of sea level change and sea-surface temperatures of the past century appears to point in that direction. </font> This is ridiculous. Most new rain would fall in temperate areas of the world and not be locked up in ice. The current quantity of polar ice is shrinking, and that is what will ultimately lead to a rise in ocean levels of several meters, enough to require dikes around the coastal cities that can afford them. nsidc.org TP