EPA proposes new permitting test for power plant modifications

Trade-offs in allocating allowances for co2 emissions

The administration's empty promises for the international climate treaty : hearing before the Committee on Science, Space, and Technology, House of Representatives, One Hundred Fourteenth Congress, first session, November 18, 2015

State perspectives : how EPA's power plan will shut down power plants : hearing before the Subcommittee on Environment, Committee on Science, Space, and Technology, House of Representatives, One Hundred Fourteenth Congress, first session, September 11, 2015

U.S. Energy Information Administration report : analysis of the impacts of the EPA's Clean Power Plan : joint hearing before the Subcommittee on Environment & Subcommittee on Energy, Committee on Science, Space, and Technology, House of Representatives, One Hundred Fourteenth Congress, first session, June 24, 2015

Science of capture and storage : understanding EPA's carbon rules : joint hearing before the Subcommittee on Environment & Subcommittee Energy, Committee on Science, Space, and Technology, House of Representatives, second session, March 12, 2014

The use of offsets to reduce greenhouse gases

EPA's carbon plan : failure by design : hearing before the Committee on Science, Space, and Technology, House of Representatives, One Hundred Thirteenth Congress, second session, July 30, 2014

Review of the President's climate action plan : hearing before the Committee on Environment and Public Works, United States Senate, One Hundred Thirteenth Congress, second session, January 16, 2014

Managing allowance prices in a cap-and-trade program