& Environment, Government Accountability Office (GAO), Washington, D.C. Kate, as a senior analyst working for the Government Accountability Office, you have recently been involved in research projects dealing with climate change and policy responses. Can you briefly describe the nature and focus of your work? I am working with a team of analysts to provide insights on international experiences with marketbased programs to reduce greenhouse gases, specifically the EU Emissions Trading Scheme and the Kyoto Protocol’s Clean Development