説明
A warmer 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.
本の詳細
形式
電子書籍
言語
英語
公開されました
10月 14, 2010
出版社
Smashwords Edition
ISBN-10
1452378800
ISBN-13
9781452378800