Steve Bloom
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Comment6:27 AM on February 2, 2013Well, this isn't really news since it's been known for some years that CO2 levels during the Pliocene (about 3-5 million years ago) were no more than about 400 ppm (same as current) and sea levels reached the quoted 21...
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Comment6:27 AM on February 2, 2013Well, this isn't really news since it's been known for some years that CO2 levels during the Pliocene (about 3-5 million years ago) were no more than about 400 ppm (same as current) and sea levels reached the quoted 21...
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