Options and issues for NASA's Human Space Flight Program : report of the "Review of U.S. Human Space Flight Plans" Committee : hearing before the Committee on Science and Technology, House of Representatives, One Hundred Eleventh Congress, first session, September 15, 2009

Review of the proposed National Aeronautics and Space Administration human spaceflight plan : hearing before the Committee on Science and Technology, House of Representatives, One Hundred Eleventh Congress, second session, May 26, 2010

Geoengineering, parts I, II, and III : hearing before the Committee on Science and Technology, House of Representatives, One Hundred Eleventh Congress, first session and second session, November 5, 2009, February 4, 2010, and March 18, 2010

Fiscal year 2011 research and development budget proposals at the Environmental Protection Agency (EPA) and the National Oceanic and Atmospheric Administration (NOAA) : hearing before the Committee on Science and Technology, House of Representatives, One Hundred Eleventh Congress, second session, March 10, 2010

Reform in K-12 STEM education : hearing before the Committee on Science and Technology, House of Representatives, One Hundred Eleventh Congress, second session, March 4, 2010

Decisions on the future direction and funding for NASA : what will they mean for the U.S. aerospace workforce and industrial base? : hearing before the Committee on Science and Technology, House of Representatives, One Hundred Eleventh Congress, first session, December 10, 2009

The Advanced Research Projects Agency-Energy (ARPA-E) : assessing the agency's progress and promise in transforming the U.S. energy innovation system : hearing before the Committee on Science and Technology, House of Representatives, One Hundred Eleventh Congress, second session, January 27, 2010

Charting the course for American nuclear technology : evaluating the Department of Energy's nuclear energy research and development roadmap : hearing before the Committee on Science and Technology, House of Representatives, One Hundred Eleventh Congress, second session, May 19, 2010

NASA's fiscal year 2011 budget request and issues : hearing before the Committee on Science and Technology, House of Representatives, One Hundred Eleventh Congress, second session, February 25, 2010

Options and opportunities for onsite renewable energy integration : field hearing before the Committee on Science and Technology, House of Representatives, One Hundred Eleventh Congress, second session, November 15, 2010