Climate Law Blog

Gregory E. Wannier Deputy Director and Fellow In the absence of major climate legislation in the U.S. Senate, parties in the United States seeking meaningful action on climate change mitigation have turned to the Environmental Protection Agency (EPA) for action.  However, despite authorization from the Supreme Court’s seminal Massachusetts v. EPA ruling in 2007 to […]

by Jessica Wentz On July 6, 2010, the U.S. Environmental Protection Agency (EPA) proposed a Clean Air Act rulemaking to reduce sulfur dioxide (SO2) and nitrogen oxide (NOx) emissions from power plants in the eastern United States. The proposal, also known as the “Transport Rule” is intended to replace the 2005 Clean Air Interstate Rule […]

by Hannah Chang As comprehensive climate legislation stagnates in Congress, the possibility of greenhouse gas (“GHG”) regulation under the Environmental Protection Agency’s (“EPA”) existing Clean Air Act (“the Act”) authority as the sole federal means of addressing climate change becomes increasingly likely.  Whether EPA has existing authority to implement a cap-and-trade program for GHGs, which […]