Third draft of the Climate Science Special Report

This draft of the report says it is “extremely likely” that more than half of the rise in temperatures over the past four decades has been caused by human activity, at odds with Trump cabinet members who have said that the magnitude of that impact is uncertain. The Washington Post obtained the third draft of the report, shown here. The current draft at the White House is the fifth draft, but people familiar with both versions say there is no substantive difference. White House reviewing new report that finds strong link between climate change, human activity