Trump’s ‘America First’ Foreign Policy Erodes Work on Climate

Donald Trump’s “America first” foreign policy is starting to undercut progress at the annual talks on fighting global warming.

The U.S. president’s vow to walk away from the landmark Paris Agreement on climate change and spur fossil fuels has encouraged countries from India to China to wonder why they should make sacrifices at two weeks of discussions held by the United Nations, which finish Nov. 17 in Bonn.

While envoys from almost 200 nations will make progress implementing the Paris deal at this year’s meeting, those involved in the process say the three-decade-old talks are in danger of drifting in ...