FILE - In this April 1, 2014 file photo, Rep. Kathy Castor, D-Fla., talks during a House Energy and Commerce subcommittee on Oversight and Investigation on Capitol Hill in Washington. Castor says she is confident that a special House committee on climate change will play a leading role on one of the most daunting challenges facing the planet.
FILE - In this April 1, 2014 file photo, Rep. Kathy Castor, D-Fla., talks during a House Energy and Commerce subcommittee on Oversight and Investigation on Capitol Hill in Washington. Castor says she is confident that a special House committee on climate change will play a leading role on one of the most daunting challenges facing the planet. Evan Vucci AP Photo
FILE - In this April 1, 2014 file photo, Rep. Kathy Castor, D-Fla., talks during a House Energy and Commerce subcommittee on Oversight and Investigation on Capitol Hill in Washington. Castor says she is confident that a special House committee on climate change will play a leading role on one of the most daunting challenges facing the planet. Evan Vucci AP Photo