Humans found guilty in climate change

Humans found guilty in climate change

International panel’s confidence increases that society is responsible for global warming

By Beth Mole, 15:00 PM September 27, 2013

Scientists are now 95 to 100 percent certain that humans are cranking up the global thermostat.

The boosted confidence in humans’ role in climate change comes from a distillation of thousands of scientific studies, by the United Nations’ Intergovernmental Panel on Climate Change, which released a summary of its findings September 27. 

The IPCC, which produces such a report about every six years, had previously estimated only a 90 percent confidence level that human activities, such as burning f...

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