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Delaware: Air

The Department of Natural Resources and Environmental Control proposed amendments to regulations governing the Title V State Operating Permit Program. The amendments would remove emergency affirmative defense provisions and references to maintain consistency with current federal requirements. A hearing will be held April 25, 2024. Comments are due the same date.

California: Toxic Substances

The Structural Pest Control Board proposed amendments to regulations governing fumigation and pesticide use standards and record requirements. The amendments would streamline reporting requirements for structural pest control applications by relocating information into a new standardized form, incorporating industry standards such as time of application and pesticide identification, clarifying supervision requirements for non-certified applicators, and making non-substantive edits for clarity. Comments are due May 14, 2024.

California: Energy

The Energy Commission proposed amendments to regulations governing building energy efficiency standards. The amendments would, among other things, introduce and update prescriptive heat pump requirements for various building types, update standards for solar photovoltaic systems and energy storage, increase efficiency standards for building envelopes and conditioning systems, improve indoor air quality requirements, establish electric-ready requirements for domestic water heating systems, and increase efficiency standards for laboratories.

California: Climate Change

The Air Resources Board proposed amendments to the Advanced Clean Trucks (ACT) regulation and the Zero Emission Powertrain Certification test procedure.

BlueRibbon Coalition, Inc. v. U.S Bureau of Land Management

A district court denied outdoor recreation groups' request to halt implementation of BLM's 2023 travel management plan (TMP) closing over 300 miles of routes previously available for off-highway vehicle use on public lands within the Labyrinth/Gemini Bridges Travel Management Area in Utah. The group...

Texas v. United States Department of Transportation

A district court granted summary judgment for the state of Texas in a challenge to the Federal Highway Administration's (FHwA's) 2023 rule requiring states to measure, report, and set declining targets for the amount of carbon dioxide emitted by vehicles using the interstate and national highway sys...

Center for Biological Diversity v. Little

A district court granted in part and denied in part summary judgment for environmental groups in a challenge to an Idaho law authorizing expanded authorization of recreational wolf trapping and snaring in the state's grizzly bear habitat. The groups argued Idaho's continued authorization and expansi...

Wilderness Society v. U.S. Department of Interior

A district court granted in part and denied in part summary judgment for conservation groups in a challenge to BLM's authorization of a lease sale for oil and gas development in Wyoming. The groups argued BLM failed to take a "hard look" at the potential environmental impacts of the Wyoming sale, as...

Dakota Resource Council v. U.S. Department of Interior

A district court denied summary judgment for conservation groups in a challenge to BLM's authorization of six lease sales for oil and gas development in the western United States. The groups argued BLM failed to take the requisite "hard look" when analyzing the cumulative impact of greenhouse gas em...

Alaska v. National Marine Fisheries Service

A district court denied the state of Alaska's and North Slope Borough's challenge to NMFS' decision not to delist the Arctic ringed seal as an endangered species following their 2019 petition. The plaintiffs argued NMFS failed to credit new information from FWS' analysis, failed to credit the Interg...