A California court upheld the California Air Resource Board's (CARB's) authority to sell greenhouse gas allowances at auction under the California Global Warming Solutions Act of 2006, also known as Assembly Bill 32 (AB 32). As in its tentative decision issued last August, the court ruled that the a...

The Ninth Circuit held that environmental groups lacked standing to compel the Washington State Department of Ecology and other regional agencies to regulate greenhouse gas emissions from the state's five oil refineries under the CAA. The groups claimed that the agencies failed to define emission li...

The Ninth Circuit held that the California Air Resource Board (CARB) low carbon fuel standard's regulation of ethanol does not facially discriminate against out-of-state commerce. CARB treats all ethanol within each regional category the same, and its decision to draw one of the regional categories ...

A D.C. court denied a conservative publication's motion for reconsideration of the court's earlier decision denying the publication's motion to dismiss a climate scientist defamation suit against it. There is sufficient evidence in the record to demonstrate that the scientist is likely to succeed on...

A California court issued a tentative decision upholding the California Air Resource Board's (CARB's) authority to sell greenhouse gas allowances at auction under the California Global Warming Solutions Act of 2006, also known as Assembly Bill 32 (AB 32). The court tentatively agreed that the auctio...

The D.C. Circuit denied states' and industry groups' petitions challenging EPA rules establishing CAA permitting requirements in states that do not have implementation plans for greenhouse gases. The rules were designed to ensure that a permitting authority was available to issue the required greenh...

A California appellate court held that the California Air Resources Board (CARB) violated the California APA and the California Environmental Quality Act (CEQA) when it adopted its Low Carbon Fuel Standards (LCFS) regulations to reduce the carbon content of transportation fuels sold, supplied, or of...

The D.C. Circuit vacated an EPA rule that deferred regulation of biogenic carbon dioxide—non-fossil-fuel carbon dioxide sources such as ethanol—for three years. Although the "Deferral Rule" is a temporary regulation, it functions, in effect, as a permanent exemption from the PSD permitting requi...

A district court dismissed environmental groups' claims that BLM failed to adequately consider climate change, global warming, and greenhouse gases (GHGs) in violation of NEPA before it approved oil and gas leases on federal land in Montana in 2008 and 2010. The groups argued that BLM's failure to f...

The U.S. Supreme Court struck down portions of the Los Angeles port's "Clean Truck Program," which was designed in part to reduce emissions related to port operations, including emissions from trucks. The concession agreements implementing the plan set forth a number of provisions covering, among ot...