International donor support for fighting HIV has flat-lined, yet the United States--the world’s largest donor--is under fire from the global community, and domestic political support for Obama admini…

Delegates at climate talks underway in South Africa would be better off addressing matters such as a global climate fund rather than trying to preserve the contentious Kyoto Protocol, says CFR’s Mich…

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…

Ten years after North Korea’s first nuclear test, sanctions and negotiations have done little to quell the regime’s ambition of becoming a nuclear weapons state.

At climate talks in Morocco, negotiators will try to move forward on issues left unresolved by the 2015 Paris Agreement. However, developed and developing countries still remain far apart on major is…