The visit of Pope Francis cast a spotlight on U.S. climate policies, which rely on executive action to chase emission reduction targets pledged ahead of a year-end conference, write CFR’s Varun Sivar…

Five years after a devastating meltdown at the Fukushima Daiichi Nuclear Power Plant, the debate on nuclear safety remains heated in Japan, writes CFR’s Sheila A. Smith.

China’s newly announced goal for cutting carbon intensity reflects important Chinese policy shifts of recent years, but fails to offer significant new measures to cut emissions, writes CFR’s Michael …

The summit in Colombia offers Washington an opportunity to boost growing economic ties amid ongoing disputes with regional partners over Cuba and the legalization of illicit drugs, writes CFR’s Shann…