CFR’s Charles A. Kupchan says President Obama’s summit meetings have advanced relations with Russia and consensus with industrialized states on climate change but that difficult work is ahead on both…

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.

Yvo de Boer, head of the UN Framework on Climate Change Convention, says “intelligent financing” for green technologies is key to a good climate change agreement.

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…

The prospects for a comprehensive nuclear deal with Iran before a looming deadline look promising, but the United States and its negotiating partners still must clear major obstacles, says expert Suz…