Could the skeptics be right, and the majority of the world's experts wrong?
The history of science shows consensus doesn't guarantee success. The collective wisdom of the early 1900s declared continental drift bunk. Some Nobel laureates attacked Einstein's theory of relativity.
Those blunders occurred when science was less sophisticated and connected than it is now, said Weart, the historian. With the unprecedented study devoted to climate change, the odds that this consensus is wrong are slim, he added.
"The fact that so many scientists think it's likely a truck is heading for us means that the last thing we want to do is close our eyes and lie down in the road."
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