Exactly. The link between tobacco and lung cancer is clear. The accuracy of long-term economic forecasts is less clear.
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Replying to @AanthanurDC @michaelianblack
For AGW the question is rate of change. That is less certain because human judgement is involved.
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Replying to @AanthanurDC @michaelianblack
The CO2 link to heating is not disputed by credible scientists. They just wonder if there are other variables not fully accounted.
5:59 AM - 11 Sep 2017
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