Pope Francis, the 86-year-old leader of the 1.3 billion-member Catholic Church, bluntly urges more aggressive action to curb emissions at the next U.N. climate meeting in eight weeks. Taking aim at the United States and an “irresponsible lifestyle” with some of the world’s highest carbon emissions per capita, Pope Francis doubled down on his earlier call for urgent action to tackle climate change. (We, he writes) “have turned into highly dangerous beings, capable of threatening the lives of many beings and our own survival. We need lucidity and honesty in order to recognize in time that our power and the progress we are producing are turning against us.” (What are you’re criteria for a “responsible lifestyle”?) Read ON.