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...

A California appellate court reversed and remanded a lower court decision invalidating a settlement agreement between the state and three water and irrigation agencies concerning the intra-state right to water from the Colorado River. In addition to allocating water rights within the state, the sett...

A district court held that the state of Washington is not liable as an arranger under CERCLA for hazardous waste contamination stemming from mining operations on state lands. The state entered into mining contracts with a Canadian mining company that allowed the company to excavate and remove metal-...

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. Although the association has spen...