1. IPCC. Intergovernmental Panel for Climate Change Fourth Assessment Report. (Cambridge Univ. Press, Cambridge, U.K., 2005).
2. Weaver, A. J. Toward the Second Commitment Period of the Kyoto Protocol, Science 332. 795–796 (2011).
3. Secretary of State for Trade and Industry. Our Energy Future-Creating a Low Carbon Economy (Energy White Paper, London, U.K., Feb. 2003).
4. Committee on Climate Change. Building a Low-Carbon Economy-The UK's Contribution to Tackling Climate Change (The Stationary Office, London, U.K., Dec. 2008).
5. Stern, N. The Economics of Climate Change: The Stern Review (Cambridge Univ. Press, Cambridge, U.K., 2007).