As a matter of policy, the Congressional Research Service does not make its products directly available to the public. Recent reports from CRS on climate change and related topics obtained by Secrecy News include these (all pdf).
“Global Climate Change: Three Policy Perspectives,” updated November 26, 2008.
“Greenhouse Gas Emissions: Perspectives on the Top 20 Emitters and Developed Versus Developing Nations,” updated November 28, 2008.
“Climate Change: Design Approaches for a Greenhouse Gas Reduction Program,” updated November 24, 2008.
“Climate Change and the EU Emissions Trading Scheme (ETS): Kyoto and Beyond,” updated November 24, 2008.
“Are Carbon Dioxide Emissions Rising More Rapidly Than Expected?,” October 17, 2008.
“The Carbon Cycle: Implications for Climate Change and Congress,” updated March 13, 2008.
“Climate Change: Federal Laws and Policies Related to Greenhouse Gas Reductions,” updated January 28, 2008.
“U.S. Global Climate Change Policy: Evolving Views on Cost, Competitiveness, and Comprehensiveness,” updated January 28, 2008.