The Nevada Supreme Court held, 4-3, that the state's top water official had authority to approve a groundwater management plan (GMP) that deviated from the doctrine of prior appropriation for the over-appropriated Diamond Valley Hydrologic Basin. Senior rights holders in the basin sought to invalida...
The Ninth Circuit granted in part and denied in part a petition to review EPA's determination that glyphosate did not pose "any unreasonable risk to man or the environment." Nonprofit groups challenged the Agency's determination, arguing that EPA did not adequately consider whether the weedkiller ca...
The D.C. Circuit affirmed a district court's dismissal of landowners' challenge to FERC's authority to grant pipeline certificates. The landowners asked the district court to declare that Congress' delegation of authority to FERC was unconstitutional and that all past certificates were void, and sou...
The D.C. Circuit granted in part and denied in part petitions to review FERC's order approving the Independent System Operator for New England's (ISO-NE's) tariff revisions that compensated power plants for maintaining up to three days' worth of fuel on-site to generate electricity during winter mon...
The D.C. Circuit upheld FERC's approval of a dam operator's flood protection plan for a nearby water pump station in North Carolina. A city petitioned for review of FERC's approval of the plan, a state-imposed condition of its water quality certification under the CWA, which involved raising the pum...
The Ninth Circuit affirmed in part and reversed in part a district court's grant of summary judgment in a challenge to the Bureau of Ocean Energy Management's and the Bureau of Safety and Environmental Enforcement's authorization of well stimulation treatments on offshore oil drilling platforms in t...
The Federal Circuit reversed a Court of Federal Claims ruling that the U.S. government was not liable for the flooding of homes near two Houston dams managed by the U.S. Army Corps of Engineers during Hurricane Harvey. Property owners downstream of the Addicks and Barker Dams argued that the governm...
The Massachusetts Supreme Court affirmed a lower court's denial of an oil and gas company's motion to dismiss a civil enforcement action brought by the Massachusetts attorney general (AG) based on the company's communications with investors and consumers concerning the impact of climate change. The ...
A district court granted an environmental group's motion to preliminarily enjoin the Forest Service and FWS from moving forward with a logging and road building project in the Kootenai National Forest. The group argued the agencies violated the ESA by failing to conduct a lawful cumulative effects a...
A district court granted FWS' motion for voluntary remand in a challenge to its 2020 decision to withdraw a 2013 proposed rule to list the wolverine as a threatened distinct population segment (DPS) in the contiguous United States under the ESA. Environmental groups argued the withdrawal was based o...