CFR’s Michael Levi says the Obama administration faces tough negotiations on a global climate change agreement at the December Copenhagen meeting without clear support from Congress. But he says Obam…

President Obama, a newly minted Nobel Peace Prize winner, now faces the daunting task of delivering on a range of challenges, especially nuclear nonproliferation and climate change, says CFR’s Michae…

An extraordinary series of events has caused Japan’s nuclear crisis but it appears backup safety systems were flawed, says nuclear expert Charles Ferguson. He expects the disaster to slow some nucle…

Despite not delivering major mandates, the summit could start a new process for sustainable development and open opportunities for new stakeholders, says CFR’s Thomas Bollyky.

CFR’s Elizabeth Economy says it is "not unreasonable" to seek binding commitments from China and India on emissions that would take effect a decade from now. She also recommends decoupling China from…