Official Statements

before the Committee on Science and Technology, Subcommittee on Investigations and Oversight.

before the Senate Committee Energy and Natural Resources, Subcommittee on Public Lands and Forests on the major environmental threats to the Great Basin in the 21st century.

before the Committee on Energy and Natural Resources hearing on S. 1543, National Geothermal Initiative Act of 2007.

before the Senate Committee on Energy and Natural Resources Full Committee hearing to consider scientific assessments of the impacts of global climate change on wildfire activity in the United States.

before the Committee on Environment and Public Works

before the Committee on Energy and natural Resources, Subcommittee on Water and Power, hearing on impacts of climate change on water supply and availability in the United States, and related issues from a water use perspective.

before the House Committee on Natural Resources, Subcommittees on Energy and Mineral Resources and National Parks, Forests, and Public Lands: "The Future of Fossil Fuels: Geological and Terrestrial Sequestration of Carbon Dioxide"

before the House Appropriations Subcommittee on Interior, Envorinment and Related Agencies Regarding Climate Change

before the Senate Committee on Energy and Natural Resources, Subcommittee on Water and Power: H.R. 902, "More Water and More Energy Act of 2007," and S. 1116, "More Water, More Energy, and Less Waste Act of 2007"

before the Senate Committee on Energy and Natural Resources, Subcommittee on Water and Power: S. 324, "New Mexico Aquifer Assessment Act of 2007"

before the House Committee on Science and Technology: State of Climate Change Science 2007: The Findings of the Fourth Assessment Report by the Intergovernmental Panel on Climate Change (IPCC), Working Group II: Climate Change Impacts, Adaptation and Vulnerability

before the Senate Committee on Energy and Natural Resources: S. 731, National Carbon Dioxide Storage Capacity Assessment Act of 2007