Almost every lily any of us in the United States will see this Easter comes from the very same tiny area at the northwest border of California.

The U-turn on environmental policies comes as evidence mounts that climate change has already caused significant damage, from killing large sections of Australia’s Great Barrier Reef to causing severe drought in Africa.

One of the pope’s senior advisers urged Mr. Trump to listen to “dissenting” voices when it comes to the environment.

Reversing any effort that reduces greenhouse gas pollution endangers the planet and puts the world's most vulnerable people at risk, the advocates said.

President Donald J. Trump’s executive order to repeal key policies meant to curb global warming is a direct contradiction of Catholic social teaching on caring for the environment.