Happening faster than expected, and more extreme

Categories: Big picture
Published on: December 27, 2017

Inside Climate News / Bob Berwyn / 26 December 2017

In the past year, the scientific consensus shifted toward a grimmer and less uncertain picture of the risks posed by climate change.

When the UN’s Intergovernmental Panel on Climate Change issued its 5th Climate Assessment in 2014, it formally declared that observed warming was “extremely likely” to be mostly caused by human activity.

This year, a major scientific update from the United States Global Change Research Program put it more bluntly: “There is no convincing alternative explanation.”

Other scientific authorities have issued similar assessments.

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