Reading is hard!
Posted on: May 31, 2017 at 15:37:26 CT
Badird MU
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First sentence, actually:
The Fourth Assessment Report of the Intergovernmental Panel on Climate Change (IPCC) states: it is a greater than a 90 percent certainty that emissions of heat-trapping gases from human activities have caused “most of the observed increase in globally averaged temperatures since the mid-20th century.”