News & Analysis as of

Climate Change Clean Air Act Environmental Protection Agency (EPA)

Clark Hill PLC

EPA proposes to rescind greenhouse gas endangerment finding

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On Aug. 1, the U.S. Environmental Protection Agency (“EPA”) published a proposed rule in which it proposes to rescind the 2009 Endangerment Finding and repeal all greenhouse gas (“GHG”) emission standards that have been...more

Cozen O'Connor

AGs Clash over EPA Rollbacks, Net-Zero Standards

Cozen O'Connor on

Illinois AG Kwame Raoul co-led a coalition of 17 Democratic AGs, the city of Chicago, New York City, and the California Air Resources Board, in filing comments opposing the EPA’s proposal to repeal the 2024 Mercury and Air...more

Jones Day

New EPA Positions Reflected in Sweeping Rollback of Greenhouse Gas Regulation

Jones Day on

The Environmental Protection Agency ("EPA") proposed a rule that would rescind the 2009 Endangerment Finding, citing a new interpretation of the relevant section in the Clean Air Act ("CAA"), a lack of clear congressional...more

Brownstein Hyatt Farber Schreck

EPA Moves to Rescind 2009 Endangerment Finding

On July 29, the Environmental Protection Agency (EPA) formally proposed to revoke its 2009 “Endangerment Finding,” in which the EPA declared that greenhouse gases contribute to air pollution and endanger public health. This...more

Foley Hoag LLP - Energy & Climate Counsel

EPA Introduces Rule To Repeal Endangerment Finding

On Tuesday July 29, the U.S. Environmental Protection Agency (“EPA”) announced a proposed rule to repeal its 2009 finding that greenhouse gas (“GHG”) emissions from new motor vehicles contribute to pollution and endanger...more

Allen Matkins

California Environmental Law & Policy Update 8.1.25

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The U.S. Environmental Protection Agency (EPA) on July 29 proposed to repeal its landmark finding that greenhouse gas emissions endanger public health. The EPA’s so-called endangerment finding, issued in 2009, is a formal...more

Haynes Boone

EPA Proposes Repeal of Legal Foundation for Greenhouse Gas Rules

Haynes Boone on

The U.S. Environmental Protection Agency (EPA) has proposed a major shift in regulatory policy—to rescind the agency’s 2009 “Endangerment Finding” and to repeal all resulting emission standards for new motor vehicles and...more

Jones Day

EPA Initiates Rulemaking to Eliminate the 2009 GHG Endangerment Finding

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The U.S. Environmental Protection Agency ("EPA") proposes rescission of the 2009 Endangerment Finding, which underpins greenhouse gas regulation under the Clean Air Act....more

Hogan Lovells

EPA proposes reconsidering the 2009 GHG endangerment finding

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On July 30, 2025, the Environmental Protection Agency (EPA) issued a proposed rule to reconsider the 2009 Endangerment Finding that has served as the foundation for EPA's authority to regulate greenhouse gases (GHGs) for...more

Pillsbury Winthrop Shaw Pittman LLP

New International Court of Justice Advisory Opinion Raises Global Liability Stakes Around GHG Emissions and Climate Change amid...

The Opinion interprets member states’ responsibilities under treaty and customary international law. In a sweeping and landmark declaration, the Opinion advises that member states have a duty to reduce emissions, regulate...more

Baker Botts L.L.P.

9 Questions About the 2009 Endangerment Finding Reconsideration (Updated with New Information from EPA Announcement on July 29,...

Baker Botts L.L.P. on

Over the course of the last 15 years, the U.S. Environmental Protection Agency (EPA) has developed a suite of regulations under the Clean Air Act (CAA) built upon EPA’s finding – originally made in 2009 – that greenhouse gas...more

Tonkon Torp LLP

EPA Poised to Overturn Greenhouse Gas Endangerment Finding

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Current Environmental Protection Agency (EPA) Administrator Lee Zeldin proposed a rule today to rescind 2009 rules that form the basis of greenhouse gas (GHG) emissions limitations, a move that will almost certainly lead to...more

Jenner & Block

California Vehicle Waiver: Congressional Review Act Showdown

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The Congressional Review Act (“CRA”), enacted in 1996, allows Congress to disapprove federal regulations promulgated by government agencies within 60 legislative working days after the rule is submitted to Congress. In order...more

Allen Matkins

California Environmental Law & Policy Update 6.13.25

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The U.S. Environmental Protection Agency (EPA) moved this Wednesday to erase limits on greenhouse gases from power plants and to weaken restrictions on other hazardous power plant emissions, including mercury, arsenic, and...more

Holland & Knight LLP

Up in the Air: Challenges to California's Clean Air Act Preemption Waiver

Holland & Knight LLP on

When it comes to regulating motor vehicle emissions, California has long been different. California was the first state in the nation to enact tailpipe emission standards and as result of its "pioneering" efforts in the...more

Baker Botts L.L.P.

9 Questions About the 2009 Endangerment Finding Reconsideration in 2025

Baker Botts L.L.P. on

Over the course of the last 15 years, the U.S. Environmental Protection Agency (EPA) has developed a suite of regulations under the Clean Air Act (CAA) built upon EPA’s finding – originally made in 2009 – that greenhouse gas...more

Jones Day

EPA Puts "Holy Grail" of Climate Change in Crosshairs by Reconsidering Endangerment Finding and Other Regulations

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The U.S. Environmental Protection Agency ("EPA") announced an agenda to revisit numerous regulations addressing the emission of greenhouse gases ("GHGs")....more

Mintz - ML Strategies

Potential Fallout if Endangerment Finding Is Rescinded

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On March 13, the Environmental Protection Agency (EPA) announced it would move forward with reconsideration of the Greenhouse Gas Endangerment Finding (Endangerment Finding) as directed in President Trump’s Executive Order...more

Foley Hoag LLP - Energy & Climate Counsel

Climate Litigation Against the US Is Dead. How Long Will State Climate Damage Cases Survive?

On Monday morning, the Supreme Court denied certiorari in Juliana v. United States. The cert. denial leaves in place the 9th Circuit Court of Appeals decision that ordered the case dismissed for lack of standing. At least for...more

Goldberg Segalla

EPA Announces Rollbacks on 31 Environmental Provisions

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The new administrator of the Environmental Protection Agency, Lee Zeldin, announced March 12 the agency would be rolling back 31 key environmental provisions that regulate air pollution, water protections, and the energy...more

Saul Ewing LLP

EPA Proposing Wide-Ranging Regulatory Revamp

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The Trump administration has declared March 12, 2025, as “the greatest and most consequential day of deregulation in the history of the United States.” United States Environmental Protection Agency Administrator, Lee Zeldin,...more

Vinson & Elkins LLP

Congress Has Disapproved the EPA’s Methane Tax Rule—What Happens Next?

Vinson & Elkins LLP on

On March 14, 2025, President Trump signed legislation disapproving the Environmental Protection Agency’s regulation implementing the Inflation Reduction Act’s tax on methane emissions from the oil and gas sector. The Joint...more

Jones Day

EPA Announces Historic Deregulation

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On March 12, 2025, the Environmental Protection Agency ("EPA") issued a flurry of press releases announcing its plan to rollback dozens of Biden-era, as well as earlier, environmental regulations. This historic move is part...more

Jones Day

Joint Resolution Puts Future of Methane Fee in Doubt

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The Biden administration's rule requiring the payment of a fee for methane emissions has effectively been rescinded, although, for now at least, the statutory provision imposing the fee remains in effect along with other...more

ArentFox Schiff

EPA Announces ‘Greatest Deregulation in History’

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The full scope of the Trump Administration’s deregulatory efforts in the environmental space was recently made clear with a series of announcements from US Environmental Protection Agency (EPA) Administrator Lee Zeldin....more

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