News & Analysis as of

Greenhouse Gas Emissions Air Pollution

Miller Starr Regalia

“Double Counting” or Redundant Mitigation?  Second District Holds CEQA Guidelines’ Additionality Requirement Precludes Applying...

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In a partially published 102-page opinion filed June 26, 2025, the Second District Court of Appeal (Div. 7) resolved cross-appeals by affirming the trial court’s judgment invalidating Los Angeles County’s 2019 EIR...more

Jenner & Block

New EPA Proposal Targets Rollback of Power Plant Emissions Rules

Jenner & Block on

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

Holland & Knight LLP

EPA Launches Comment Period on Power Plant Climate and Air Toxics Rules

Holland & Knight LLP on

The U.S. Environmental Protection Agency (EPA) proposes to eliminate greenhouse gas regulations for power plants after concluding that power plants do not "contribute significantly" to dangerous air pollution or,...more

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

State Air Trends & Successes: Association of Air Pollution Control Agencies Issues 2025 Report

The Association of Air Pollution Control Agencies ("AAPCA") issued the 2025 edition of its annual report titled: State Air Trends & Successes ("Report")....more

Womble Bond Dickinson

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

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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

Baker Botts L.L.P.

Study on RNG health benefits for heavy duty vehicles

Baker Botts L.L.P. on

Energy Vision performed an assessment of the health benefits of replacing older diesel trucks with new models fueled by renewable diesel, renewable natural gas, or electricity. The assessment finds that RNG-powered vehicles...more

Akin Gump Strauss Hauer & Feld LLP

Regulatory Relief for Certain Stationary Sources to Promote American Energy (Trump EO Tracker)

Grants a two-year exemption from the EPA's updated Mercury and Air Toxics Standards (MATS) rule for certain stationary sources, citing the lack of commercially viable emissions-control technology needed to meet the rule’s...more

Cozen O'Connor

New York City Proposes to Regulate Last-Mile Facilities

Cozen O'Connor on

The New York City Department of City Planning (DCP) has released materials outlining a proposed amendment to the city's zoning regulations to introduce a City Planning Commission (CPC) special permit intended to limit the...more

Pillsbury Winthrop Shaw Pittman LLP

EPA Announces Sweeping Deregulatory Agenda: The Complete Set of EPA’s 31 Actions and Affected Environmental Regulations

In what it called “the greatest and most consequential day of deregulation in U.S. history,” the Environmental Protection Agency (EPA) announced its most expansive deregulatory initiative to date on March 12, 2025. Through a...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

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

Bergeson & Campbell, P.C.

EPA Releases Third Triennial Report to Congress on Biofuels and the Environment

The U.S. Environmental Protection Agency (EPA) announced on January 21, 2025, the availability of a final document entitled “Biofuels and the Environment: Third Triennial Report to Congress” (Third Report). 90 Fed. Reg. 7135....more

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

Title V/Clean Air Act: Petition to Object Filed Addressing Scotia, California Biomass Facility

The Environmental Protection Information Center and Humboldt Coalition for Clean Energy (collectively, “EPIC”) filed a January 3rd Title V Petition to Object (“Petition”) before the United States Environmental Protection...more

Goldberg Segalla

SCOTUS Declines to Review EPA’s Authority on California’s Vehicle Emission Standards

Goldberg Segalla on

In a significant development for environmental law and state autonomy, the Supreme Court of the United States (SCOTUS) recently declined to review whether the U.S. Environmental Protection Agency (EPA) has the authority to...more

Womble Bond Dickinson

Keep Your Cool: EPA Expands Requirements to Address Leaks of Climate Super Pollutant Hydrofluorocarbons from...

Womble Bond Dickinson on

On October 11, 2024, the Environmental Protection Agency (EPA) published its latest rule in a suite of measures to address hydrofluorocarbons (HFCs) under the American Innovation and Manufacturing (AIM) Act....more

Troutman Pepper Locke

EPA’s Newest Emission Reduction and Reclamation Program Breaks Refrigerants and Cooling Status Quo

Troutman Pepper Locke on

The U.S. Environmental Protection Agency (EPA) has finalized regulations impacting a large swath of refrigeration and cooling equipment industries. The new regulations are the most recent EPA action addressing the use of...more

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

U.S. Environmental Protection Agency Enforcement Alert: Municipal Solid Waste Landfill Monitoring and Maintenance Requirements

The United States Environmental Protection Agency (“EPA”) issued an Enforcement Alert (“EA”) titled: EPA Finds MSW Landfills are Violating Monitoring and Maintenance Requirements....more

Seyfarth Shaw LLP

California Mandatory Climate Disclosure Laws Move Forward With Little Concession

Seyfarth Shaw LLP on

Seyfarth Synopsis: As discussed in our prior legal update available here, in 2023, California enacted two laws that mandate certain climate-related emissions disclosures and financial risk reporting for thousands of public...more

Jones Day

California's Climate Disclosure Laws Move Forward After Governor Newsom's Proposal to Delay Implementation Fails

Jones Day on

The California legislature continues to press forward with the implementation of two of the state's sweeping climate disclosure laws after a proposal to delay the implementation dates by the governor failed to be considered...more

Holland & Hart LLP

New Mexico Stiffens Penalties for Air Quality Violations and Tightens Environmental Audit Policy

Holland & Hart LLP on

On September 4, 2024, the New Mexico Environment Department’s Air Quality Bureau (AQB) updated its Civil Penalty Policy, making several key changes to its assessment of civil penalties and administrative compliance costs in...more

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

Project Emissions Accounting/Clean Air Act: National Waste & Recycling Association Comments on U.S. Environmental Protection...

The National Waste & Recycling Association (“NWRA”) submitted July 2nd comments to the United State Environmental Protection Agency (“EPA”) addressing the proposed rule styled: Prevention of Significant Deterioration (PSD) in...more

Goldberg Segalla

EPA not Afraid of Changin’, Wants Landfills to Bring it (Methane Emission) Down

Goldberg Segalla on

The Environmental Protection Agency intends to issue a rule updating its Clean Air Act emission standards for new and existing municipal solid waste (MSW) landfills to cut methane and other harmful landfill gas emissions....more

Beveridge & Diamond PC

In a Much-Anticipated Ruling, New York Appellate Court Dismisses Green Amendment Claims

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A New York intermediate appellate court has dismissed claims brought by a nonprofit for alleged violations of New York’s Environmental Rights Amendment, also called the Green Amendment. Fresh Air for the Eastside, Inc. v....more

Goldberg Segalla

California will Soon Vote on Proposed $10 Billion Climate Bond

Goldberg Segalla on

In one of its last official acts before starting its summer recess earlier this month, the California legislature passed a bill putting Prop 4 on the November ballot, which would allow the state to borrow $10 billion plus...more

Cadwalader, Wickersham & Taft LLP

Cadwalader Climate - July 2024 #3

This week, we discuss the first settlement between a state and a group of young plaintiffs who claimed that their government’s inadequate climate policies violated their constitutional right to a healthy environment. We...more

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