Senator Ted Cruz

Senator Ted Cruz

Two years ago, a group of international researchers led by University of Queensland’s John Cook surveyed 12,000 abstracts of peer-reviewed papers on climate change since the 1990s. Out of the 4,000 papers that took a position one way or another on the causes of global warming, 97 percent of them were in agreement: Humans are the primary cause. By putting a number on the scientific consensus, the study provided everyone from President Barack Obama to comedian John Oliver with a tidy talking point.

That talking point put climate deniers in a bind. They have successfully delayed political action for years by making it seem like there’s still a scientific debate over anthropogenic warming. But when confronted with a statistic like this one, they have been forced to take a different tack: dispute the statistic itself.

They’re the 97 percent truthers, and Texas Senator Ted Cruz is leading the recent charge. At a hearing in early October, the GOP presidential candidate peppered Sierra Club President Aaron Mair with questions for ten minutes about the so-called 18-year […]

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