The Ninth Circuit vacated and remanded a lower court decision that environmental groups lacked standing to challenge BLM's decision to sell oil and gas leases in Montana. Below, the groups claimed BLM failed to adequately consider climate change, global warming, and greenhouse gases in violation of ...

A district court largely dismissed claims challenging California's Low Carbon Fuel Standard, a collection of regulations promulgated by the California Air Resources Board to implement provisions of California Assembly Bill 32, the Global Warming Solutions Act of 2006. In September 2013, the Ninth Ci...

A Washington court ordered the state's environmental agency to reconsider its denial of youths' petition asking the agency to adopt rulemaking to limit greenhouse gas (GHG) emissions in accordance with the best available science. The youths had also petitioned the agency to recommend to the state le...

The D.C. Circuit held that building and development associations lacked standing to challenge consent decrees that require FWS to determine, in accordance with a settlement-defined schedule, whether 251 species should be listed as endangered or threatened under the ESA. The case arose after environm...

The D.C. Circuit held that a home builders' association lacked standing to challenge EPA's and the U.S. Army Corps of Engineers' determination that two reaches of the Santa Cruz River in southern Arizona constitute "traditional navigable waters" (TNW) under the CWA. The court previously held in a si...