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Climate Change

California Chamber of Commerce v. California Air Resources Board

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...

Washington Environmental Council v. Bellon

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....

Rocky Mountain Farmers Union v. Corey

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...

Mann v. National Review, Inc.

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...

California Chamber of Commerce v. California Air Resources Board

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...

Texas v. Environmental Protection Agency

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...

Poet v. California Air Resources Board

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...

Center for Biological Diversity v. Environmental Protection Agency

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...

Montana Environmental Information Center v. United States Bureau of Land Management

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...

American Trucking Ass'ns v. Los Angeles, City of

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...