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 Keith_McClary writes: How can we detect and understand oncoming crises in time to avert them? Sometimes we must "zoom out": expand our perspective and find similar situations in the distant past. A good example is climate change. What can a few degrees of warming do? To answer this, we need to know some history: how the Earth's climate has changed over the last 65 million years.
John Baez
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Posted on Monday, November 06 @ 04:14:19 EST by waegari |
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