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Politics : The Trump Presidency

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To: Wharf Rat who wrote (67168)4/16/2018 6:54:20 PM
From: TimF  Read Replies (2) of 357660
 
We don't have enough data to know the sensitivity and secondary effects well. Sure a ton of money has been spent in this area, but world wide direct temperature measurements don't give us a long record, and many of the proxies are imperfect. Computers have gotten much faster but the reality is still incredibly more complex then any simulation that can be run.

A common sense reason to think that at least the highest estimates of sensitivity and secondary warming are warm is that CO2 has been much higher in the distant past with no run away greenhouse.
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