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...

The Federal Circuit upheld a lower court decision dismissing on jurisdictional grounds a landowner's Fifth Amendment takings claim against the government in connection with a CWA permit denial. The lower court held that the complaint was barred by 28 U.S.C. §1500, which prohibits the U.S. Court of ...

The Fifth Circuit held that parties to the class action settlement agreement concerning economic and property damages stemming from the Deepwater Horizon oil spill may seek appellate review of district court decisions on individual claims. The district court had approved final rules governing discre...

A district court held that trade associations and nonprofit corporations representing members of the timber industry lack standing to challenge the Forest Service's 2012 planning rule governing development of individual land and resource management plans for the 155 national forests and 20 national ...

The Federal Claims Court held that the U.S. Army Corps of Engineers' construction, expansions, operation, and failure to maintain the Mississippi River-Gulf Outlet (MR-GO) caused subsequent storm surge that was exacerbated by a "funnel effect" during Hurricane Katrina and subsequent hurricanes and s...

The U.S. Supreme Court adopted a Special Master's determination that Nebraska "knowingly failed" to comply with its obligations under a 2002 settlement agreement that resolved an underlying water allocation dispute between Nebraska and Kansas. The settlement established mechanisms to accurately meas...

The Ninth Circuit upheld a lower court's dismissal of a lawsuit brought under the Alien Tort Statute and California tort law against a petroleum company alleging it should be held liable for war crimes committed by members of the Colombian National Army’s 18th Brigade. The action was brought by th...

A district court denied an oil company's motion to amend the findings, alter the judgment, or order a new trial in the Deepwater Horizon case in which the court found the company grossly negligent in the 2010 Gulf of Mexico oil spill. The company argued that it repeatedly objected to expert witness ...

The Ninth Circuit dismissed an oil company's Declaratory Judgment Act lawsuit against several environmental groups, seeking a declaration that the Bureau of Safety and Environmental Enforcement’s approval of two oil spill response plans under OPA for Alaska’s Beaufort and Chukchi Seas did not vi...