United States: Clean Air / Pollution

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Environmental law articles, insights, podcasts, videos and webinars from expert sources across the legal world. Explore insights covering topics such as clean air/pollution, climate change, environmental law and waste management.

EPA Issues New Draft Guidance For PFOA And PFOS In Biosolids; Identifies Alleged Flaws In Prior Draft PFAS Biosolids Risk Assessment

On June 29, EPA issued a draft guidance memorandum, “Draft Guidance for Reducing Risk from Perfluorooctanoic Acid (PFOA) and Perfluorooctane Sulfonic Acid (PFOS) in Biosolids.” The Draft Guidance reaffirms EPA’s...

United States Environment

TS

Taft Stettinius & Hollister

Summer Reprieve: CARB Proposes More Time For SB 253 Reporting

On June 24, 2026, the California Air Resources Board (CARB) announced that it intends to extend the initial reporting deadline under California’s...

United States Environment

GG

Greenberg Glusker LLP

Seventeen State Attorneys General Challenge California’s SB 54 Plastics Regulations

Seventeen states and the National Association of Wholesaler-Distributors have filed a federal lawsuit challenging California's Plastic Pollution Prevention and Packaging Producer Responsibility Act...

United States Environment

JD

Jones Day

EPA Sends 4 More California Vehicle Emission Waivers To Congress For Potential Nullification

The EPA has submitted four California Clean Air Act waivers to Congress for Congressional Review Act consideration, including greenhouse gas standards dating back to 2009 and the Advanced Clean Cars I program.

United States Environment

HK

Holland & Knight

The EPA’s MATS Repeal May Signal A Broader Shift On Ancillary Benefits

United States Environment

GT

Greenberg Traurig, LLP

The Microplastics Regulatory Clock Is Ticking

United States Environment

BC

Bergeson & Campbell

EPA Proposes To Revise The “Begin Actual Construction” Definition And Publishes Guidance On Streamlining Title V Operating Permit Reviews

United States Environment

SH

Stites & Harbison PLLC

EPA Puts Compliance First: What The Agency’s Enforcement Reset Means For Regulated Entities

United States Environment

AG

Akin Gump Strauss Hauer & Feld LLP

School’s Out For Summer, But Minnesota’s Amara’s Law Still Assigns PFAS Reporting Homework

United States Environment

GT

Greenberg Traurig, LLP

Pollution Exclusion Survives Challenge In Equine Environmental Coverage Dispute

United States Environment

WR

Wiley Rein

EPA Restores Title V Affirmative Defense Protections

United States Environment

MB

Mayer Brown

Evolving State Regulation Of Biosolids Recycling In The PFAS Era

United States Environment

BD

Beveridge & Diamond

California Environmental Law & Policy Update

United States Environment

AM

Allen Matkins Leck Gamble Mallory & Natsis

Action Due: June 1 Deadline For California Producers Is Fast Approaching

United States Environment

BC

Bergeson & Campbell

DOJ Announces 2026 National Health Care Fraud Takedown: 455 Defendants Charged In $6.5 Billion Enforcement Action

United States Criminal

B

Benesch Friedlander Coplan & Aronoff LLP

DOJ Argues For Executive Control Over Citizen Suits, Seeking Seismic Changes To Environmental Law Enforcement

United States Environment

BD

Beveridge & Diamond

Logs Of Private Emails Conducting ‘Government-Related’ Business Now Deemed Government Records Subject To OPRA Disclosure, Rules New Jersey Supreme Court

United States Government

LS

Lowenstein Sandler

FinCEN Alert: AML Compliance Implications Of IRGC Sanctions Evasion And Illicit Finance

Worldwide Government

BS

Ballard Spahr LLP

Massachusetts Appeals Court Rejects Website Links As Sufficient Securities Disclosure Under State Law

United States Commercial

GT

Greenberg Traurig, LLP

TCEQ Seeks Stakeholder Input On Renewal Of The Stormwater Construction General Permit

The Texas Commission on Environmental Quality is seeking stakeholder input on the upcoming renewal of its Stormwater Construction General Permit, which governs discharge from construction activities across the state. With the current permit set to expire in March 2028, TCEQ is engaging stakeholders early in the drafting process to gather feedback that could significantly impact design requirements, compliance obligations, and operational costs for construction projects disturbing one or more acres of land.

United States Environment

PA

Peckar & Abramson PC

SB 54 And 343 Update And Compliance

California's SB 54 imposes complex extended producer responsibility requirements on single-use packaging and food service ware, with initial registration deadlines set for June 1, 2026.

United States Environment

SJ

Steptoe LLP

California Environmental Law & Policy Update

The EPA has loosened federal restrictions on hydrofluorocarbons used in cooling equipment, while California regulators advance controversial bans on gas water heaters and furnaces in homes. Meanwhile, enforcement actions target Volvo for alleged emissions violations, and debates continue over water allocation impacts on salmon populations and the timing of vehicle emissions standards.

United States Environment

AM

Allen Matkins Leck Gamble Mallory & Natsis

Environmental Permitting For AI Data Centers: Federal Acceleration, Federal Lands, And State Resistance

The environmental permitting landscape for data centers is shifting rapidly, with federal and state regulators often pulling in opposite directions. The Trump Administration has moved to accelerate federal environmental review and to open federal lands for data center siting, while states and localities have responded by tightening scrutiny of the energy, water, and land use impacts of these facilities.

United States Environment

SP

Squire Patton Boggs LLP

EPA Proposes Rule To Redefine “Begin Actual Construction” Under The NSR Preconstruction Permitting Program

United States Environment

BD

Beveridge & Diamond

Catherina D. Narigon And L. Claire Hansen, “Plastics Industry Faces Rising Tide Of Litigation, Regulation And Reputational Risk,” Chemical Processing, May 13, 2026.

United States Environment

BC

Bergeson & Campbell

EPA Proposes To Delay Tier 4 Light- And Medium-Duty Vehicle Emissions Standards By Two Model Years

United States Environment

BD

Beveridge & Diamond

EPA Proposes New Rule Clarifying “Begin Actual Construction” Under Clean Air Act NSR Program

United States Environment

BS

Butler Snow LLP

Colorado Court Of Appeals Holds That Federal Law Preempts State Courts From Ordering Airport Noise Restrictions

United States Litigation

DG

Davis Graham

Carbon Arbitrage In AI Data Center Siting: What Developers, Lenders & Their Counsel Need To Know

United States Environment

DG

Davis Graham

EPA’s FY 2026 Top Management Challenges Include Meeting Statutory Requirements For Ensuring The Safe Use Of Chemicals

United States Environment

BC

Bergeson & Campbell

EPA Again Reconstitutes The SAB And CASAC; Will Deference To Advisory Boards Survive The Repeated Upheavals?

United States Environment

FH

Foley Hoag LLP

Timing Is Everything: An Overview Of Environmental Claims And Their Limitations Periods: Part II – State

United States Environment

BA

Bradley Arant Boult Cummings LLP

California Publishes Long-Awaited Regulations For SB 54

United States Environment

GG

Greenberg Glusker LLP

EPA’s FY 2026 Top Management Challenges Include Meeting Statutory Requirements For Ensuring The Safe Use Of Chemicals

The U.S. EPA Office of Inspector General has identified six critical management challenges facing the agency in fiscal year 2026, with particular emphasis on resource constraints and statutory deadlines affecting chemical safety assessments.

United States Environment

BC

Bergeson & Campbell

EPA Again Reconstitutes The SAB And CASAC; Will Deference To Advisory Boards Survive The Repeated Upheavals?

I’ve blogged numerous times about the role of EPA’s Science Advisory Board and, in particular, the Clean Air Science Advisory Committee, in providing validation for EPA’s technical decisions.

United States Environment

FH

Foley Hoag LLP

Timing Is Everything: An Overview Of Environmental Claims And Their Limitations Periods: Part II – State

While federal environmental laws provide a foundational framework, much of the real enforcement action happens at the state level.

United States Environment

BA

Bradley Arant Boult Cummings LLP

California Publishes Long-Awaited Regulations For SB 54

California’s SB 54, or the Plastic Pollution Prevention and Packaging Producer Responsibility Act, is a so called “Extended Producer Responsibility” (EPR) law aimed at reducing plastic waste and shifting the cost...

United States Environment

GG

Greenberg Glusker LLP

EPA Adds Microplastics And Pharmaceuticals To Safe Drinking Water Contaminant Candidate List; States Await EPA Response To PFAS Clean Air Act Request; And New Mexico Adopts Expanded PFAS Labeling Requirements

United States Environment

SH

Shook, Hardy & Bacon

NY Court Annuls DEC Freshwater Wetlands Regulations

On April 8, 2026, Judge Richard M. Platkin of the New York State Supreme Court, Albany County, entirely annulled the New York State Department of Environmental Conservation’s revised Part 664 freshwater wetlands regulations for noncompliance with the State Environmental Quality Review Act.

United States Environment

SP

Sive, Paget & Riesel

SEQRA Reform Remains Under Deliberation In The FY27 New York State Budget

Although the New York State Fiscal Year 2027 (FY27) budget was due on April 1, 2026, the government is continuing to evaluate numerous components, including potential reforms to the State Environmental Quality Review...

United States Environment

SP

Sive, Paget & Riesel

EPA Publishes Guidance On Streamlining Title V Permit Renewals: What It Means For Permitting Authorities And Regulated Sources

On April 16, 2026, the United States Environmental Protection Agency (“EPA”) published its Guidance on Streamlining Clean Air Act Title V Operating Permit Renewals (the “Guidance”) providing long awaited clarity...

United States Environment

SH

Stites & Harbison PLLC

GALA To Co-Host "Cannes Rules!" -- A Full Day Event About Advertising Law And Self-Regulation

The Global Advertising Lawyers Alliance is partnering with leading industry organizations to present an unprecedented full-day conference in Cannes focused on advertising law and self-regulation.

United States Media & IT

FK

Frankfurt Kurnit Klein & Selz

Minnesota Extends PFAS In Products Reporting Deadline To September 15, 2026

United States Environment

BD

Beveridge & Diamond

House Subcommittee Will Hold Hearing On Critical Material Supply Chains, Examine How To Modernize TSCA

United States Environment

BC

Bergeson & Campbell

The Packaging EPR Lawsuit You’re Not Watching—But Should Be

United States Environment

SP

Squire Patton Boggs LLP

Latest Updates On Per- And Polyfluorinated Substances (PFAS)- March Update

United States Environment

SP

Squire Patton Boggs LLP

EPA Proposes Extending Deadline For TSCA Section 8(d) Health And Safety Data Reporting

United States Environment

BC

Bergeson & Campbell

EPA Issues New Emergency E15 Waiver And Renewable Fuel Standard Rule For 2026-2027 Amid Rising Fuel Costs Associated With Iran War

United States Energy

WT

Winston Taylor

SB 54 Regulations Approaching The Finish Line, Reporting Deadline On The Horizon

United States Environment

GG

Greenberg Glusker LLP

Baker Botts Secures Major Victory In Fifth Circuit, Vacating EPA’s Disapproval Of Texas’s Clean Air Act Good Neighbor Plan

United States Environment

BB

Baker Botts LLP

Navigating The Challenges Of Data Center Growth —Part III: Evolving Federal, State, And Local Policy

United States Energy

FH

Foley Hoag LLP

MassDEP Seeks Comment On Revisions To Longstanding Noise Policy

United States Environment

BD

Beveridge & Diamond

Recent Federal Developments For March 2026

United States Energy

BC

Bergeson & Campbell

Liberty Northwest Ins. Corp. v. Atlantic Specialty Ins. Co., No. 24-7353 (9th Cir. Feb. 20, 2026) (Unpublished)

United States Insurance

N

Nossaman LLP

CARB Finalizes Initial Rulemaking Package For SB 253 And SB 261

United States Environment

AG

Akin Gump Strauss Hauer & Feld LLP

Minnesota Updates Its PFAS Reporting System

United States Environment

BC

Bergeson & Campbell

Washington Update: Sustainable Energy & Infrastructure — March 2026

United States Energy

M

Mintz

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Latest Videos

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EPA's Proposed Repeal Of The 2009 Endangerment Finding: Unexpected Arguments And Implications For Industrial Sources (Video)

B

Bracewell

Environmental Essentials Webinar Series – EPA's Proposed Repeal Of The Carbon Pollution Standards For Power Plants: Implications For The Rest Of Industry

B

Bracewell

Interview With Dr. Michal Freedhoff (Video)

AP

Arnold & Porter

BERDO Implementation Picks Up Speed — Better Get Ready (Video)

FH

Foley Hoag LLP

Enforcement Of Municipal Stormwater Ordinances Is Tricky Business: Failure To Enforce An Ordinance Required Under A Permit Is Not A Violation Of The Permit (Video content)

FH

Foley Hoag LLP

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