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Earthday prezi

Prezi on earthday

clayton stevens

on 29 April 2010

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Transcript of Earthday prezi

Earthday Prezi Hi I'm Clayton Stevens and I'm making this prezi as a school assignment. In it I'm gonna have facts and pictures about earthdays history, and interesting facts on global warming. Really the idea for Earth Day evolved over a period of seven years starting in nineteen sixty-two. It was founded by U.S. Senator Gaylord Nelson as an environmental teach-in in 1970 This is mr. nelson himself Earth Day is celebrated in spring in the Northern Hemisphere and autumn in the Southern Hemisphere. Over the last 100 years, the average temperature of the air near the Earth´s surface has risen a little less than 1° Celsius. Does not seem that much at all does it?
Well It's responsible for the conspicuous increase in storms, floods and raging forest fires we have seen in the last ten years, though, say scientists. Their data show that an increase of one degree Celsius makes the Earth warmer now than it has been for at least a thousand years.
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