The U.N.'s top court was due to set out a non-binding legal opinion on the extent of legal and financial responsibility countries have for climate change.

The Trump administration reportedly plans to eliminate an Environmental Protection Agency rule that’s crucial to the federal government’s ability to combat climate change. By clicking “Accept All Cookies”, you agree to the storing of cookies on your device to enhance site navigation, analyze site usage, and assist in our marketing efforts.

Nations have a duty to act on climate change under international law — and if they don't, they could be held liable. That's the ruling of the top United Nations court.