A district court denied environmental groups' motion to intervene in a proposed consent decree resolving the District of Columbia's lawsuit against a power company alleging PCB contamination in the Anacostia River, but allowed the groups to participate as amici curiae. Under the consent decree, ...

A district court held that Washington state must establish reasonably available control technology (RACT) for greenhouse gas emissions. Based on its plain language, the RACT provision contained in Washington's federally approved SIP is not discretionary and requires the state's agencies to estab...

The D.C. Circuit held that a home builders association lacked standing to challenge the U.S. Army Corps of Engineers' issuance of nationwide permit (NWP) 46, which allows persons to secure approval for qualifying discharges into "waters of the United States" without going through the more laborious ...

A California court held that the California Air Resources Board's "functional equivalent document" and scoping plan to reduce greenhouse gases as it relates to cap and trade complies with the California Environmental Quality Act. The court therefore lifted its May 20, 2011, peremptory writ of man...