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by francisofascii
991 days ago
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It is the speed of change that is the problem. Rather than asking what is the correct number, we should ask how fast are we approaching either extreme. Historically these cycles lasted about 100,000 years, so we can safely consider that as the ideal. So if we are at 10% glacial coverage now, we ideally be at 10% in 100 years, too. |
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