A California court ordered the California Air Resources Board to set aside its "functional equivalent document" and scoping plan to reduce greenhouse gases as it relates to cap and trade. The court ruled that the board inadequately described and analyzed project alternatives in violation of the...

A Washington appellate court held that the former owners of contaminated property may be held liable under the state's Model Toxics Control Act (MTCA). Fifteen years after the former owner sold the property to a port, the port notified the former owners that they were potentially liable part...

A California appellate court held that a city's approval of a "term sheet" setting forth the basic plans for building a stadium for the San Francisco 49ers does not constitute a project or project approval under the California Environmental Quality Act. The current lessee of the site filed a pe...

The U.S. Supreme Court held that Wyoming did not violate the Yellowstone River Compact by allowing its pre-1950 water appropriators to increase their net water consumption by improving the efficiency of their irrigation systems. The compact protects beneficial use water rights in existence prio...

A district court held unconstitutional California legislation (SB 990) that prescribes cleanup rules that apply only to a former federal nuclear research and rocket testing facility and criminalizes any sale or disposition of the property until it is cleaned up in accordance with the standards ...

The Michigan Supreme Court held that a company's plan to discharge contaminated water from an environmental cleanup site in the Manistee River watershed into a previously unpolluted site in the AuSable River watershed was manifestly unreasonable and that the state agency should be held accou...

A Maryland court remanded certain provisions in a general discharge permit for mining operations and concrete plants. Petitioners—the owners of mining companies and concrete manufacturing plants throughout the state of Maryland—correctly argued that the wet weather total suspended solids numeric...

A district court granted the Massachusetts Department of Transportation's (MassDOT's) motion for judgment in a case involving its violation of municipal separate storm sewer system NPDES permits in the Boston area and denied an environmental group's motion for additional injunctive relief. Once a co...

Massachusetts' highest court vacated a nuclear power company's action seeking a judgment declaring that state regulations governing cooling water intake structures (CWIS) exceeded the state environmental agency's authority under the commonwealth's Clean Waters Act. A lower court ruled that the ...

The Michigan Supreme Court vacated its previous decision at 41 ELR 20056 in which it held that a company's plan to discharge contaminated water from an environmental cleanup site in the Manistee River watershed into a previously unpolluted site in the AuSable River watershed was manife...