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Before the Committee on Energy and Natural Resources
May 15, 2012
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Before the Subcommittee on Oversight and Investigations
May 25, 2011
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Before the Subcommittee on Asia, the Pacific, and the Global Environment
July 27, 2010
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Before the Committee on Foreign Affairs
November 4, 2009
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Before the House Select Committee on Energy Independence and Global Warming
October 21, 2009
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Before the Committee on Energy and Natural Resources
September 15, 2009
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Before the Committee on Finance
July 8, 2009
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Before the Subcommittee on Energy and the Environment
April 23, 2009
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Before the Subcommittee on Energy and the Environment
March 18, 2009
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Before the House Select Committee on Energy Independence and Global Warming
February 4, 2009
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Before the Committee on Energy and Commerce
January 15, 2009
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Before the Committee on Foreign Relations
January 24, 2008
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Before the Committee on Environment and Public Works
November 15, 2007
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Before the Committee on Foreign Relations
November 13, 2007
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Before the Subcommittee on Asia, the Pacific, and the Global Environment
July 11, 2007
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Before the Committee on Foreign Affairs
May 15, 2007
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Before the Committee on Ways and Means
February 28, 2007
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Before the Subcommittee on Energy and Air Quality
February 13, 2007
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Before the Subcommittee on Energy and Environment
September 20, 2006
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Before the Subcommittee on Oversight and Investigations
July 27, 2006