Pope Leo XIV urged for stronger action against climate change this week and criticized governments for failing to slow global warming. His video message comes as countries gather at the U.N. climate summit, COP30, in Brazil. Leaders from the world’s three largest greenhouse gas emitters — China, the U.S. and India — are not in attendance. “The creation is crying out in floods, droughts, storms and relentless heat. One in three people live in great vulnerability because of these climate changes.