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![]() . World Map After Global Warming - "Al Gore's Water World"http://www.johnstonsarchive.net/spaceart/earthicefree.jpg ~ RHF . Hey RHF; Theres a magazine called " The New Yorker"; - kind of a funny & often literate rag. Published J.D. Salinger, James Thurber, Charles Adams Cartoons, ( When they were all alive) Etc. In any case, they had an article on Global Warming. Heres a link to the interview of the author. 2 pages long, not t tough read. http://www.newyorker.com/archive/200...n_onlineonly01 Small quote below. " Q: I was very struck by your description of the work being done by Donald Perovich, a government scientist, who measures something called albedo. What is its significance?" A: " Albedo is a measure of reflectivity. The ice in the Arctic, and also in the Antarctic, reflects a tremendous amount of sunlight back into space. This is a very significant factor in shaping the earth's climate. In the Arctic, the ice, and particularly the sea ice, is melting, and this is changing the earth's reflectivity. More heat is being absorbed, which is causing more sea ice to melt, and so on. This is a good example of positive feedback. It's taking a relatively small change to the system and amplifying it into a much larger one. There are several positive feedbacks in the climate system that are known, and quite possibly others that haven't yet been identified, and all are cause for concern. " Best, Barnegatedx |
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