News & Analysis as of

Trump Administration Stays Environmental Protection Agency (EPA)

Pillsbury - PFAS Observer

D.C. Circuit Restarts Litigation over EPA’s PFAS Drinking Water Standards, Continues Pause in CERCLA Litigation

On July 22, 2025, the U.S. Court of Appeals for the District of Columbia (D.C.) Circuit granted a motion by the Environmental Protection Agency (EPA) to lift the abeyance in consolidated litigation challenging the agency’s...more

Farella Braun + Martel LLP

EPA Continues Reassessment of its 2024 Designation of PFOA and PFOS as CERCLA Hazardous Substances

The EPA is continuing to reevaluate whether to change its position regarding the Biden administration’s 2024 listing of PFOA and PFOS as hazardous substances under CERCLA....more

Bergeson & Campbell, P.C.

EPA Provides Update on Status of TSCA Risk Management Rule for TCE

On March 24, 2025, the U.S. Environmental Protection Agency (EPA) provided an update on the effective date of the Toxic Substances Control Act (TSCA) final risk management rule for trichloroethylene (TCE). As reported in our...more

WilmerHale

Despite Carbon Cost Win, Biden Climate Plans Still At Risk

WilmerHale on

On May 26, the U.S. Supreme Court ruled to allow the Biden administration to continue using the social cost of carbon estimates in its regulatory analyses, developed pursuant to an executive order from President Joe Biden. ...more

Robinson+Cole Environmental Law +

SCOTUS Temporarily Resurrects Trump-ERA Clean Water Act Rule

On April 6, 2022, by a 5-4 vote in the case of Louisiana, et. al. v. American Rivers, et. al., the Supreme Court temporarily resurrected a Trump-era rule that sought to stop the practice of many states and tribes from...more

Jackson Walker

EPA Proposes New Source Performance Standards for New Coal-Fired Power Plants

Jackson Walker on

In 2015, the U.S. Environmental Protection Agency announced the controversial “Clean Power Plan,” which was immediately the subject of a legal challenge and was subsequently stayed by the United States Supreme Court....more

Skadden, Arps, Slate, Meagher & Flom LLP

Trump Administration Rolls Back Climate Change Initiatives

As expected, the Trump administration has been actively engaged in efforts to reverse the federal government’s regulatory direction with respect to climate change. In 2017, President Donald Trump announced plans to withdraw...more

Husch Blackwell LLP

U.S. Supreme Court Sends Waters of the US Rule to District Courts; Nationwide Stay in Question

Husch Blackwell LLP on

On January 22, 2018, the U.S. Supreme Court unanimously held that challenges to the 2015 Waters of the United States Rule (the “WOTUS Rule” or “Rule”) belong in district court rather than the appellate court. The WOTUS Rule...more

Snell & Wilmer

Seven Months into the Trump Administration, Outlook of Controversial Obama-Era Ozone Standard Remains Hazy

Snell & Wilmer on

The status of a controversial rule establishing more stringent ambient air quality standards for ozone—promulgated by former President Barack Obama’s Environmental Protection Agency (EPA)—remains unclear following a series of...more

Mintz - Energy & Sustainability Viewpoints

Federal Court Halts Lawsuit Consideration over Obama’s Clean Water Rule; Pruitt Recruits Governors to Shape New EPA Water...

One of President Trump’s early campaign promises was to dismantle the 2015 Clean Water Rule, the Obama administration’s regulation asserting federal power over navigable bodies of water and aiming to replace polluting...more

Perkins Coie

Executive Order Seeks Sweeping Reversal of Climate Change Policies to Favor U.S. Energy Production

Perkins Coie on

President Donald Trump recently signed Executive Order 13783, an omnibus executive order aimed at reducing burdens on further development of domestic energy resources, with “particular attention” to oil, natural gas, coal and...more

Ruder Ware

U.S. Supreme Court Denies the Trump Administration’s Request to Suspend the Pending Litigation in the Sixth Circuit Court of...

Ruder Ware on

On April 3, 2017, the United States Supreme Court denied a request from the Trump Administration to place a hold on the pending litigation in which the EPA’s and the U.S. Army Corps of Engineer’s Clean Water Rule is being...more

Foley & Lardner LLP

President Trump Curbs Controversial WOTUS Rule

Foley & Lardner LLP on

Two days ago, President Trump issued an executive order (Order) that will scale back the U.S. Environmental Protection Agency’s (EPA) and U.S. Army Corps of Engineers’ (Corps) hotly contested “waters of the United States”...more

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