The U.N. Climate Summit has galvanized support—for now. But we’re going to need much more.
Superman’s father, Jor-El, was a leading scientist who tried for years to warn his fellow inhabitants that their home planet, Krypton, was about to explode. But they didn’t take the necessary actions until it was too late.
Something similar is happening with global warming on our planet. In some ways, Al Gore is our Jor-El. (Gore-Al?)