From the article: Climate change in the Pleistocene was “huge, frequent, and rapid,” says Cooper, director of the Australian Centre for Ancient DNA at the University of Adelaide. “Sometimes a change of 10 degrees centigrade over a space of a decade or two.”<p>this can&#x27;t be right, surely? I thought the whole reason we&#x27;re contemplating spending trillions of dollars preventing a 2 degree centigrade change over a century is because it is unprecedented in nature?