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To: GodGunsGuts

On this logic, given the obvious predominance of such negative feedback mechanisms controlling climate change it’s highly unlikely that massive shifts such as the so-called “ice ages” could have occurred.


4 posted on 12/10/2009 7:44:50 AM PST by M. Dodge Thomas
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To: M. Dodge Thomas
Actually, negative feedback could allow for large oscillations, but prevent run-away temperatures that would be completely detrimental to life, i.e. Completely frozen planet (which was predicted by some climate models in the 70's - I seem to remember Asimov writing about it in one of his non-fiction books) or Venus-type temperatures.

The question is since the Earth seems to be in the sweet spot that does not seem to run to either extreme, is this by design or chance?

5 posted on 12/10/2009 7:54:30 AM PST by kosciusko51
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