While the UN climate summit will not deliver binding commitments to cut carbon emissions, real action on climate policy is occurring on the domestic front, says CFR’s Michael Levi.

This week’s nuclear talks ended without resolving the issue of uranium enrichment, leaving Iran to potentially face tougher sanctions, says CFR’s Ray Takeyh.

Lawrence Scheinman, a top arms control official in the Clinton administration, says he is concerned that Iran is using the cover of the 35-year old Treaty on the Non-Proliferation of Nuclear Weapons …

South Korean President Lee Myung-bak’s visit to Washington is likely to see passage of the Free Trade Agreement and coordination on strategies for pushing North Korea toward denuclearization, says CF…

Nuclear diplomacy between Iran and a group of major powers may miss a significant deadline in July, but both sides appear intent to continue, says expert George Perkovich.