“At the time, in 1993, the Princeton professor was taking a break from academia to direct scientific research at the U.S. Department of Energy. He turned a skeptical eye toward one of then-Vice President Al Gore’s favorite issues: the risks posed by chemicals eating away at ozone in the stratosphere and letting in dangerous ultraviolet radiation. As the story goes, Happer went to the White House and told Gore’s staff he saw no evidence that the ozone hole actually was hurting anyone. Gore was annoyed, and Happer lost his job.” NPR: Meet The White House’s New Chief Climate Change Skeptic.