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Global Warming Is Good
     

Global Warming Is Good

by David Hart
 
A warmer climate: good or bad? The icy polar regions would thaw. But would hotter parts of the world dry up? In the past they didn't. Five periods in the last half-million years were warmer than today. Each time the Sahara got more rain and turned to lush grass. When Earth warmed up the forests bloomed and the deserts shrank. But when Earth got colder the deserts

Overview

A warmer climate: good or bad? The icy polar regions would thaw. But would hotter parts of the world dry up? In the past they didn't. Five periods in the last half-million years were warmer than today. Each time the Sahara got more rain and turned to lush grass. When Earth warmed up the forests bloomed and the deserts shrank. But when Earth got colder the deserts expanded and the trees died back.

Product Details

BN ID:
2940011118364
Publisher:
David Hart
Publication date:
10/14/2010
Sold by:
Smashwords
Format:
NOOK Book
File size:
101 KB

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