O'Rourke on climate change

He would also make climate change a top priority. “Keeping the planet from warming one-half degree Celsius, for me, is the most important for humanity,” he says. He supports Alexandria Ocasio-Cortez’s Green New Deal in spirit, if not every letter. “The goal of converting to 100 percent renewable energy within a decade, I love,” he says. “It’s ambitious. It captures your imagination.”