News & Analysis as of

Greenhouse Gas Emissions Environmental Policies Environmental Protection Agency (EPA)

Akin Gump Strauss Hauer & Feld LLP

Global Warning: ICJ Declares Climate Obligation

On July 23, 2025, the International Court of Justice (ICJ) issued a landmark advisory opinion, holding that nation-states have obligations under international law to mitigate greenhouse gas (GHG) emissions, adapt to the...more

Williams Mullen

Everything Old is New Again: Actual Emissions are No Longer Enforceable Under NSR Permitting

Williams Mullen on

EPA is withdrawing the proposed rule titled ‘‘Prevention of Significant Deterioration (PSD) and Nonattainment New Source Review (NNSR): Regulations Related to Project Emissions Accounting’’ published in the Federal Register...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

Jones Day on

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

Foley Hoag LLP - Environmental Law

RGGI Third Program Review Concludes: New Model Rule and Strengthened Emission Caps Unveiled Amid Federal Scrutiny

Earlier this month, the Regional Greenhouse Gas Initiative (RGGI) announced the completion of the RGGI Third Program Review, which resulted in several major changes to the RGGI Model Rule that will shape the program through...more

Beveridge & Diamond PC

RGGI Third Program Review Significantly Strengthens GHG Targets, Expands Cost Containment Reserve, Eliminates Offsets, and Makes...

Beveridge & Diamond PC on

On July 3, 2025, the Regional Greenhouse Gas Initiative (RGGI) completed and released its Third Program Review and an updated CO2 Budget Trading Program Model Rule. RGGI evaluated numerous scenarios during the multi-year...more

Jones Day

EPA Proposes Repeal of Greenhouse Gas Standards for Power Plants

Jones Day on

On June 11, 2025, the U.S. Environmental Protection Agency ("EPA") issued a proposed rule to repeal all greenhouse gas ("GHG") emissions standards for fossil fuel-fired electric generating units ("EGUs") under § 111 of the...more

Jenner & Block

California Vehicle Waiver: Congressional Review Act Showdown

Jenner & Block on

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

Allen Matkins on

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

Womble Bond Dickinson

EPA Reconsiders Air Regulations Amid a Major Reorganization of the Air Office

Womble Bond Dickinson on

The EPA’s Office of Air and Radiation (“OAR”), responsible for most of the EPA’s major air regulatory and policy efforts, will be restructured in the months to come. This shakeup comes on the heels of the EPA’s announcement...more

Mitchell, Williams, Selig, Gates & Woodyard,...

U.S. Greenhouse Gas Inventory/Environmental Defense Fund Freedom of Information Act Request: U.S. Environmental Protection Agency...

The Environmental Defense Fund (“EDF”) announced in a May 8th news release that the United States Environmental Protection Agency (“EPA”) released the latest U.S. Greenhouse Gas Inventory (“GGI”)....more

Pillsbury - Gravel2Gavel Construction & Real...

PFAS, HFCs and Related Chemicals in the Data Center Industry

Data centers use various chemicals that have recently been the focus of regulatory efforts at the federal and state level. The historic or future use of these chemicals may create liabilities, obligations, or new costs for...more

Jenner & Block

Fighting Fire with Fire: AI and the Fight Against Climate Change

Jenner & Block on

William Shakespeare coined the phrase to fight “fire with fire” in 1623’s The Life and Death of King John. A mere 402 years later, the same phrase used to describe English succession wars may apply to a newly formed, though...more

DLA Piper

Horizon - ESG Regulatory News and Trends, March 2025

DLA Piper on

SEC withdraws defense of US climate disclosure rules; Uyeda speaks on ESG and materiality. On March 27, 2025, the Securities and Exchange Commission (SEC) notified the US Court of Appeals for the Eighth Circuit that the SEC...more

Jones Day

2024 GHG Reporting Deadline Extended

Jones Day on

EPA has extended the reporting deadline under the Greenhouse Gas ("GHG") Reporting Rule for reporting year 2024 data from March 31, 2025, to May 30, 2025. Under the rule, owners and operators of facilities that are direct...more

Jones Day

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

Jones Day on

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

Mitchell, Williams, Selig, Gates & Woodyard,...

Greenhouse Gas Reporting Rule for 2024 Data: Environmental Defense Fund Files Judicial Challenge to U.S. Environmental Protection...

The United States Environmental Protection Agency (“EPA”) extended on March 20th the reporting deadline under the Greenhouse Gas Reporting Rule for 2024 data. See 90 Fed. Reg. 13085. EPA extended the reporting deadline...more

Mintz - ML Strategies

Potential Fallout if Endangerment Finding Is Rescinded

Mintz - ML Strategies on

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

Goldberg Segalla

EPA Announces Rollbacks on 31 Environmental Provisions

Goldberg Segalla on

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

Saul Ewing LLP on

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

Joint Resolution Puts Future of Methane Fee in Doubt

Jones Day on

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’

ArentFox Schiff on

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

McGuireWoods LLP

EPA Announces 31 Sweeping Regulatory Reforms

McGuireWoods LLP on

U.S. Environmental Protection Agency Administrator Lee Zeldin announced on March 12, 2025, that the agency will take 31 deregulatory actions aimed at advancing President Donald Trump’s executive orders and economic agenda....more

Snell & Wilmer

U.S. Environmental Protection Agency Announces 31 Actions

Snell & Wilmer on

On March 12, 2025, the U.S. Environmental Protection Agency (EPA) Administrator Lee Zeldin announced that the agency is undertaking 31 significant actions in furtherance of the President’s Inaugural Day Executive Orders....more

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