News & Analysis as of

Greenhouse Gas Emissions Proposed Rules

DLA Piper

EPA Proposes to Rescind Landmark Greenhouse Gas Endangerment Finding and Eliminate Mobile Source Emissions Standards for GHGs

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Today, August 1, 2025, the US Environmental Protection Agency (EPA) published a controversial proposed rule that, if finalized, would rescind the agency’s landmark 2009 determination that greenhouse gas (GHG) emissions from...more

Haynes Boone

EPA Proposes Repeal of Legal Foundation for Greenhouse Gas Rules

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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

Baker Botts L.L.P.

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

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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Protection Agency (EPA) has developed a suite of regulations under the Clean Air Act (CAA) built upon EPA’s finding – originally made in 2009 – that greenhouse gas...more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

Cozen O'Connor

Democratic AGs Oppose Washing Away Appliance Efficiency Standards

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14 Democratic AGs and the Corporation Counsel for the City of New York submitted 16 comment letters to the U.S. Department of Energy (DOE) opposing the agency’s proposed rescission of water and energy efficiency standards for...more

K&L Gates LLP

EPA Plans Reset of GHG and Mercury Rules for Power Plants

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Introduction - Continuing the regulatory whiplash over greenhouse gases (GHG) emissions from power plants, the United States Environmental Protection Agency (EPA) recently proposed repealing the Biden administration’s GHG...more

MG+M The Law Firm

EPA Moves to Repeal Biden–Harris-Era Power Plant Emissions Rules

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On June 11, 2025, the US Environmental Protection Agency, under Administrator Lee Zeldin, proposed repealing two key Biden–Harris-era rules targeting greenhouse gas and air toxic emissions from fossil fuel–fired power plants....more

Morrison & Foerster LLP

Proposed Changes to GHG Protocol Scope 2 Guidelines Threaten to Reshape Corporate Clean Energy Procurement

The World Resource Institute’s Greenhouse Gas (GHG) Protocol Corporate Accounting and Reporting Standard (the “GHG Protocol”) has been widely adopted as a framework for companies to report Scope 1, 2, and 3 emissions. By...more

Jenner & Block

New EPA Proposal Targets Rollback of Power Plant Emissions Rules

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Two weeks ago, the Environmental Protection Agency (EPA) released its proposed repeal of the rules governing greenhouse gas emissions from fossil fuel-fired power plants. Included within the proposal is a new legal...more

Ropes & Gray LLP

EFRAG’s June 20 Progress Report Provides An Early Look at Proposed Changes to CSRD Reporting

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Reporting under the EU’s Corporate Sustainability Reporting Directive (CSRD) will be simplified as part of the Omnibus process. In connection with the Omnibus, EFRAG was mandated to provide technical advice to the European...more

Jones Day

EPA Proposes Repeal of Greenhouse Gas Standards for Power Plants

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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

Goldberg Segalla

New Proposed Rules Would Repeal Certain Regulations on Power Plants, Mercury and Air Toxics Standards

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The Trump administration is proposing two repeals: one on regulations of power plants and the other on certain amendments to the 2024 Mercury and Air Toxics Standards. The administration believes these regulations have...more

Holland & Hart LLP

EPA Proposes Sweeping Repeal of GHG Standards for Fossil Fuel-Fired Power Plants

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Administrator of the U.S. Environmental Protection Agency (EPA) Lee Zeldin on June 11, 2025, announced a proposed rule titled “Repeal of Greenhouse Gas Emissions Standards for Fossil Fuel-Fired Electric Generating Units.” In...more

Morgan Lewis

EPA Proposes Repeal of Greenhouse Gas Standards for Power Plants

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The US Environmental Protection Agency recently issued a proposed rule and accompanying press release announcing its intent to repeal both the 2015 greenhouse gas emissions standards for new fossil fuel-fired power plants...more

Cozen O'Connor

Update on California's Climate Disclosure Laws: What Companies Need to Know

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On May 29, 2025, the California Air Resources Board (CARB) held a virtual public workshop to discuss forthcoming regulations implementing California’s corporate climate disclosure laws. The workshop focused on the scope of...more

Vinson & Elkins LLP

Power Move: EPA Proposes GHG Rules Repeal

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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. Further, the principles underlying the...more

Latham & Watkins LLP

EPA Proposes Repeal of Power Plant GHG Emissions Standards

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If finalized, the rule would eliminate both Obama- and Biden-era limits on GHG emissions from fossil fuel-fired power plants. On June 11, 2025, the US Environmental Protection Agency (EPA) released a proposed rule under...more

Wiley Rein LLP

Key Insights from California's Kickoff Workshop on Corporate GHG Reporting and Climate Risk Disclosures

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On May 29, the California Air Resources Board (CARB) held a public workshop on CA climate disclosure laws. During the workshop, CARB shared a timeline for regulatory development and an overview of initial staff concepts to...more

Maynard Nexsen

Key Takeaways and Lingering Questions from the Public Workshop on California’s Climate Disclosure Rules

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Status Update - On May 29, 2025, the California Air Resources Board (“CARB”) held a virtual public workshop on California’s climate reporting laws, Senate Bill 253 (The Climate Corporate Data Accountability Act) and...more

Jones Day

California Air Resources Board Offers Direction as to Application of California Climate Disclosure Laws

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On May 29, 2025, a virtual public workshop held by the California Air Resources Board ("CARB") offered direction on how it interprets certain elements of California's climate disclosure laws. While CARB has a July 1, 2025,...more

Troutman Pepper Locke

CARB Workshop on Climate Disclosure Laws: More Questions Than Answers

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On May 29, 2025, the California Air Resources Board (CARB) held a virtual public workshop to review and discuss its rulemaking response to California Senate Bills (SBs) 253, 261, and 219, which require companies that “do...more

Fenwick & West LLP

Takeaways from CARB’s Virtual Workshop Regarding California’s Corporate Climate Disclosure Rules

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On May 29, 2025, The California Air Resources Board (CARB) held a virtual workshop to “support the development of California’s Corporate Greenhouse Gas Reporting Program” reflected in the Climate Corporate Data Accountability...more

Ropes & Gray LLP

Complying With California’s New Climate Disclosure Laws – Takeaways for Reporting Companies from the California Air Resources...

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The California Air Resources Board held an almost four hour virtual public workshop on May 29 on California’s pending climate risk and greenhouse gas emissions disclosure laws. The stated purpose of the workshop was to...more

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