When it comes to environmental law, Supreme Court nominee Elena Kagan's positions are largely a mystery.

"Businesses with significant stakes in the outcome of climate and energy legislation ramped up lobbying spending earlier this year as they worked to shape the Senate bill scheduled to be unveiled this week."

"Academics from across the country are rallying against a subpoena issued by Virginia Attorney General Ken Cuccinelli II seeking documents related to the work of a former University of Virginia climate scientist, even as the university says it is preparing to comply with Cuccinelli's request."

"U.S. EPA's proposed regulation of coal ash as a hazardous waste was changed at the White House to give equal standing to an alternative favored by the coal industry and coal-burning electric utilities."

"The oil spill spreading across the Gulf of Mexico is sending ripples through Florida and national politics, giving Gov. Charlie Crist a reason to withdraw his support for offshore drilling." Crist Thursday announced he would bolt the Republican party and run for re-election without party affiliation.

"Senate Democratic leaders scrambled yesterday to untangle the political puzzle hindering efforts to move comprehensive energy and climate change legislation, but the impasse with Sen. Lindsey Graham (R-S.C.) remains."

"Prospects for the Senate climate bill grew even dimmer yesterday after the trio working on a comprehensive measure emerged from a closed-door meeting headed in separate directions -- both literally and figuratively."

"As Earth Day marks its 40th birthday, three-fifths of Americans consider themselves either active in or sympathetic to the environmental movement, a new Gallup poll shows."

"Republican senators introduced legislation today that would block White House efforts to require federal agencies to consider climate change in environmental analyses of proposed projects."