The ‘Consensus’ on Climate Change

In this file photo, part of the glacial ice sheet that covers about 80 percent of the country is seen on July 17, 2013, on the Glacial Ice Sheet, Greenland. Are the polar ice caps growing or shrinking, and is it the result of human activity? Do we even need to ask this question anymore? Joe Raedle/Getty Images

Commentary

“There is no single piece of evidence that proves that a given amount of CO2 increase should cause a large increase in temperature,” said Nir Shaviv, a professor at the Racah Institute of Physics at the Hebrew University of Jerusalem.