Worldwide: 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.

Driving Forward: Developments In Transportation Law And Innovation

In June 2025, California and a coalition of 10 other states in State of California et al. v. United States et al., No. 4:25-cv-04966-HSG (N.D. Cal.) filed a lawsuit challenging the authority...

United States Litigation

NM

Nelson Mullins Riley & Scarborough LLP

Data Centers A Driving Force Behind Bipartisan Permitting Reform

Even as partisan rifts define Washington, lawmakers have found a rare motivator for bipartisan collaboration: data centers.

United States Energy

TC

Thompson Coburn LLP

Alternative Power Plays: Are Energy Parks The Answer? (Podcast)

uch of the world is seeking to find new ways of cleaning up electricity supplies, reducing emissions, and cutting climate pollution from buildings, transportation and more.

United States Energy

BI

Buchanan Ingersoll & Rooney PC

Supreme Court Likely To Consider SB 253 And SB 261 Reporting In 2025

In 2023, California adopted two laws (SB 253 and SB 261) that will require reporting of greenhouse gas and climate-related financial risks by companies doing business in California beginning in 2026.

United States Energy

W

WilmerHale

Senate Committee Advances Nominations For Jeffrey Hall And Douglas Troutman

United States Environment

BC

Bergeson & Campbell

The BBNJ Agreement Will Enter Into Force In January 2026: What You Should Know

United States Environment

FH

Foley Hoag LLP

Producer Reporting Begins Under California's Plastic And Packaging EPR Law – Less Than Three Weeks To Go

United States Environment

RG

Ropes & Gray LLP

PFAS Developments: CERCLA Designations Stay Intact For Now, Rollbacks Under SDWA

United States Environment

SP

Sive, Paget & Riesel

Environmental Developments To Watch In New England

United States Environment

BD

Beveridge & Diamond

What You Need To Know About EPA's Recent Changes To Preconstruction Permitting Under The Clean Air Act

United States Environment

BB

Baker Botts LLP

Preparing For Environmental Citizen Suits In The Gulf Coast Region: Plaintiff Standing After Environment Texas

United States Environment

BD

Beveridge & Diamond

CA Climate Disclosures – SB 261 – January 1, 2026 Reporting Deadline And CARB "Preliminary List" Of Covered Entities

United States Environment

FL

Foley & Lardner

Speaking Sustainability - Legal & Regulatory Updates | September 2025

United States Commercial

AG

Akin Gump Strauss Hauer & Feld LLP

Ninth Circuit To Review Felony Conviction For Vehicle Emissions Tampering In U.S. v. Coiteux

United States Environment

AP

Arnold & Porter

What Foundations And Other Nonprofits Need To Know About The Foreign Agents Registration Act

United States Government

W

WilmerHale

What Honeybees Have Taught Me About Dispute Resolution

United States Litigation

J

JAMS

The Changes To The English Arbitration Regime: What Parties To International Construction Disputes Need To Know

United States Litigation

J

JAMS

District Court Invalidates Patents For Bridge Cheating Detection Software Under § 101

United States IP

JM

Jeffer Mangels Butler & Mitchell LLP

Why Direct Student-Athlete Payments Create An Immigration Crisis For Universities

United States Immigration

Gs

Green and Spiegel

ALJ Disapproves Minnesota's Proposed PFAS Rule Package Pending Correction

As reported in our May 29, 2025, memorandum, on May 22, 2025, the Minnesota Pollution Control Agency (MPCA) held a public hearing on its proposed per- and polyfluoroalkyl substances...

United States Environment

BC

Bergeson & Campbell

Permitting Reform Ahead: EPA Targets Preconstruction Rules And Retires Reactivation Policy

The US Environmental Protection Agency (EPA) recently announced two significant reforms to its New Source Review (NSR) permitting program for major sources of air emissions.

United States Real Estate

KG

K&L Gates LLP

D.C. Circuit Reaffirms The Affirmative Defense For Emergency Events

What Happened? The U.S. Court of Appeals for the District of Columbia Circuit (D.C. Circuit) recently overturned the U.S. Environmental Protection Agency's (EPA's) 2023 final rule...

United States Commercial

BD

Beveridge & Diamond

Recent Federal Developments May Undercut The Clean Air Act

In the first week of September, there were two important developments related to regulatory programs under the federal Clean Air Act (CAA)—the U.S. Environmental Protection Agency (EPA or the Agency)...

United States Environment

GT

Greenberg Traurig, LLP

EPA Clarifies Its Interpretation Of What Constitutes "Begin Actual Construction" In New Guidance, Plans Rulemaking For 2026

United States Environment

BD

Beveridge & Diamond

EPA Proposes Sweeping Rollback Of Greenhouse Gas Reporting Program

United States Environment

HH

Holland & Hart

Public Nuisance Claims Continue To Gain Traction In Plastics Litigation

United States Energy

BD

Beveridge & Diamond

EPA Will Retain CERCLA Hazardous Substance Designation For PFOA, PFOS, Will Develop CERCLA Section 102(a) Framework Rule

United States Environment

BC

Bergeson & Campbell

EPA Proposes To Eliminate Greenhouse Gas Reporting Program

United States Environment

BD

Beveridge & Diamond

Georgia Court Rules That Groundwater Is A Pollutant In CGL Policies

United States Environment

PD

Phelps Dunbar LLP

EPA Loosens Air Permitting Requirement To Speed Energy And Data Center Construction

United States Energy

HH

Holland & Hart

EPA's Spring 2025 Unified Agenda Includes PFAS Rulemakings

United States Environment

BC

Bergeson & Campbell

EPA Hints At NSR Changes With Interpretation Of "Begin Actual Construction"

United States Environment

LL

Liskow & Lewis

D.C. Circuit Restores Title v Emergency Defense

United States Environment

LL

Liskow & Lewis

EPA Loosens Air Permitting Requirement To Speed Energy And Data Center Construction

On September 9, 2025, EPA announced new guidance on New Source Review (NSR) pre-construction permitting requirements that broadens the types of activities that can be undertaken prior to obtaining an air permit.

United States Energy

HH

Holland & Hart

EPA's Spring 2025 Unified Agenda Includes PFAS Rulemakings

On September 4, 2025, the Office of Management and Budget (OMB) published the Trump Administration's Spring 2025 Unified Agenda.

United States Environment

BC

Bergeson & Campbell

EPA Hints At NSR Changes With Interpretation Of "Begin Actual Construction"

In a September 2, 2025, letter to an Arizona air permitting authority, USEPA signaled that it intends to amend its New Source Review (NSR) regulations...

United States Environment

LL

Liskow & Lewis

D.C. Circuit Restores Title v Emergency Defense

In its September 5, 2025, opinion in SSM Litigation Group v. EPA, the U.S. Court of Appeals for the D.C. Circuit overturned EPA's 2023 removal of the Title V affirmative defense for emergencies.

United States Environment

LL

Liskow & Lewis

Preparing For A Wave Of Citizen Suits In Texas – Ten Tips For Leveraging The Texas Environmental, Health & Safety Audit Privilege Act

United States Environment

BD

Beveridge & Diamond

Pollution Exclusion Carve-Out Creates Duty To Defend PFAS Remediation Claim

The United States District Court for the Northern District of New York, applying New York law, has determined that an insurer had a duty to defend an insured because a carve-out to the relevant pollution...

United States Environment

WR

Wiley Rein

Watch For Deadlines Under California's Packaging Extended Producer Responsibility Regulations

Under California's Plastic Pollution Prevention and Packaging Producer Responsibility Act (SB 54), deadlines are currently set for this Fall.

United States Environment

BD

Beveridge & Diamond

One Minute Matters [Video]: Can The White House Really Override The EPA's Hazardous Air Standards? (With Claire Glenn)

A rarely-used Clean Air Act provision just allowed the White House to delay compliance deadlines—bypassing the EPA's rulemaking process. Claire Glenn lays out what that means for regulated industries...

United States Environment

D

Dykema

Legislative Roundup: States Target PFAS In Consumer Products

First effective in 2024, the Act bans the sale or distribution of various products that contain intentionally added PFAS chemicals.

United States Environment

SH

Shook, Hardy & Bacon

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

United States Environment

B

Bracewell

EPA Proposes Repealing Greenhouse Gas Vehicle Standards And Endangerment Finding

United States Environment

WG

Weil, Gotshal & Manges LLP

Changes In Minnesota's Intentionally-Added PFAS Law Enforcement Timeline Extension And Expanded Exemptions

United States Environment

TS

Taft Stettinius & Hollister

New EPA Positions Reflected In Sweeping Rollback Of Greenhouse Gas Regulation

United States Environment

JD

Jones Day

Up In The Air: EPA Opens Comment On Repealing Endangerment Finding, Motor Vehicle GHG Rules

United States Environment

HK

Holland & Knight

EPA Proposes To Rescind Greenhouse Gas Endangerment Finding And Associated Motor Vehicle And Engine Emission Standards

United States Environment

BD

Beveridge & Diamond

EPA Introduces Rule To Repeal Endangerment Finding

United States Environment

FH

Foley Hoag LLP

Trump Administration Seeks To Streamline Federal Permitting For Data Centers With New Executive Order And Action Plan

United States Environment

GT

Greenberg Traurig, LLP

EPA Initiates Rulemaking To Eliminate The 2009 GHG Endangerment Finding

United States Environment

JD

Jones Day

9 Questions About The 2009 Endangerment Finding Reconsideration (Updated)

United States Environment

BB

Baker Botts LLP

Data Center Permitting On The Fast Track In PA

United States Environment

JD

Jones Day

EPA's Office Of Research And Development — Villain Or Victim?

United States Environment

BC

Bergeson & Campbell

Update: Minnesota To Delay PFAS Reporting Deadline

United States Environment

AG

Akin Gump Strauss Hauer & Feld LLP

Minnesota Delays PFAS Reporting Deadline Six Months To July 1, 2026

United States Environment

BC

Bryan Cave Leighton Paisner

Trump Administration Issues Executive Order To Facilitate Data Center Development

United States Environment

BD

Beveridge & Diamond

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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

Massachusetts Updates Its Climate Song: I Can Get By With A Little Help From My (Canadian) Friends (Video Content)

FH

Foley Hoag LLP

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