An article by AP, CBSNews.

Scientists can now say with extreme confidence that human activity is the dominant cause of the global warming observed since the 1950s, a new report by an international scientific group said Friday.

Calling man-made warming “extremely likely,” the Intergovernmental Panel on Climate Change used the strongest words yet on the issue as it adopted its assessment on the state of the climate system.

“It’s not just about surface temperature change. It’s amazing how many other things we can attribute human influence to,” Nathan Bindhoff of the Institute for Marine and Antarctic Studies at the University of Tasmania, said in a press conference Friday morning. He is the lead author on the 10th of the report’s 14 chapters.

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