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On August 22, 2025, the Environmental Protection Agency (“EPA”) announced decisions on 175 small refinery exemption (“SRE”) petitions stretching back over the last four years.

On August 13, 2025, the U.S. District Court for the Central District of California denied a motion for preliminary injunction to enjoin California Senate Bills 253 and 261.

As part of our ongoing monitoring of international and domestic legal developments, this article provides an update on the International Seabed Authority’s (“ISA”) Council Part II of the 30th Session and the National Oceanic and Atmospheric Administration’s (“NOAA”) proposed updates to its regulations implementing the Deep Seabed Hard Mineral Resources Act (“DSHMRA”), which provides the U.S. framework for deep-sea mining.

On July 3, 2025, the Federal Energy Regulatory Commission (“FERC” or the “Commission”), the U.S. Army Corps of Engineers (“Army Corps”), and the Departments of Energy (“DOE”), Interior (“DOI”), Transportation (“DOT”), Agriculture (“USDA”), and Defense (“DOD”) released sweeping updates to their regulations and procedures implementing the National Environmental Policy Act (“NEPA”).

The federal government is continuing to implement President Donald Trump’s Unleashing American Energy mandate to promote domestic energy and infrastructure projects.

On June 17, 2025, the U.S. Environmental Protection Agency (“EPA”) published its proposed “Set 2” rule under the Renewable Fuel Standard (“RFS”) program (the “Set 2 Rule”).

On June 17, 2025, the U.S. Environmental Protection Agency (“EPA”) published a proposed rule that, if finalized, would repeal all greenhouse gas (“GHG”) standards for the power sector.

On June 17, 2025 the U.S. Environmental Protection Agency (“EPA”) published a proposed rule to repeal the amendments to the Mercury and Air Toxics Standards (“MATS”) adopted by the Biden administration in 2024.

This week, the U.S. Environmental Protection Agency (EPA) took the penultimate step to granting Texas the authority to directly issue Class VI permits under the Safe Drinking Water Act’s Underground Injection Control (UIC) program for carbon capture and sequestration (CCS) projects when it proposed to approve the State’s primacy application.

On May 16, 2025, the Texas Supreme Court issued a decision ruling that, absent specific contractual language, surface owners retain ownership of the caverns created by salt mining operations.

In the first major National Environmental Policy Act (“NEPA”) case to reach the Supreme Court in almost two decades, the U.S. Supreme Court issued its decision on May 29, 2025, in Seven County Infrastructure Coalition v. Eagle County, Colorado.

On May 1, 2025, the federal government brought separate suits against both New York and Vermont alleging that these state’s “climate Superfund” statutes are unconstitutional on multiple grounds.