The U.S. and Gulf Arab leaders gathering in Camp David are pursuing divergent courses in the Middle East, with differences over Iran nuclear talks likely to drive them further apart, writes CFR’s Ray…

The Paris talks have been built up as a critical moment for confronting climate change, making even the perception of success important for momentum on lowering carbon emissions, writes CFR’s Michael…

The main U.S. bill on confronting climate change should adjust the way it proposes cushioning some vulnerable U.S. industries to avoid stirring protectionist fears, writes CFR’s Michael Levi.

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 …