A Global Warning (History Channel): Arctic ice is melting, sea levels are rising, and glaciers are shrinking at alarming rates. And the Earth is getting unmistakably warmer. But is this vast, potentially catastrophic, climate change the result of human behavior? Or is it simply the... (more details for A Global Warning (History Channel))

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File by Deb Jenkins (#1252)
2010-09-26 Grade: 6-8