At the United Nations climate change conference in Copenhagen in 2009 and Cancun in 2010, the United States joined other developed countries in pledging to mobilize $100 billion in public and private sector funding to help developing countries reduce greenhouse gas emissions and adapt to a...

Following the chaotic Copenhagen conference of the UN Framework Convention on Climate Change (UNFCCC), policymakers and pundits have discussed the G-20 as an alternative forum for advancing climate change diplomacy. This paper assesses the risks and rewards of tackling climate change in the G-20...