News & Analysis as of

Greenhouse Gas Emissions California

DLA Piper

Horizon - ESG Regulatory News and Trends - August 2025

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Welcome to Horizon, DLA Piper’s monthly bulletin reporting on late-breaking legislative and policy developments in ESG. Our aim is to scan the litigation, enforcement, and regulatory horizon to help inform business decisions....more

Morrison & Foerster LLP

Federal Court Declines to Enjoin CA Climate Disclosure Laws

On August 13, 2025, the U.S. District Court for the Central District of California declined to block enforcement of California’s two major climate disclosure bills, the Climate Corporate Data Accountability Act (SB 253) and...more

Hogan Lovells

California accelerates towards GHG Disclosures in advance of 2026 Deadlines with Regulatory Timeline and Litigation Win (SB 253...

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The California Air Resources Board (CARB) is forging ahead in implementing what the Agency now refers to as “the 200s”—the Climate Corporate Data Accountability Act (SB 253) and the Climate Related Financial Risk Act (SB...more

Pillsbury Winthrop Shaw Pittman LLP

Court Declines to Halt Climate Disclosure Laws as CARB Pursues Delayed Rulemaking

New laws take effect January 1 while regulated entities still await implementing regulations from California Air Resources Board....more

Cozen O'Connor

Republican AGs Support End of California Vehicle Emission Regulations

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Iowa AG Brenna Bird led a group of 26 Republican AGs in filing two amici curiae briefs urging the dismissal of pending challenges to Environmental Protection Agency waivers allowing California to enforce its own vehicle...more

Skadden, Arps, Slate, Meagher & Flom LLP

Injunction To Block California Environmental Disclosure Laws Denied

On August 13, 2025, the District Court for the Central District of California denied a motion for a preliminary injunction filed by several business groups challenging California Senate Bills 253 (Climate Corporate Data...more

White & Case LLP

California Climate Disclosure Laws: CARB Refines Applicability, Deadlines, and Scope

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On August 21, 2025, the California Air Resources Board (“CARB”) held a public workshop providing updates on SB 253 (the Climate Corporate Data Accountability Act) and SB 261 (the Climate-related Financial Risk Act)....more

Akin Gump Strauss Hauer & Feld LLP

California Climate Reporting Laws: CARB Provides New Guidance

The California Air Resources Board (CARB) recently held its second virtual public workshop to provide additional guidance on implementing California’s climate disclosure statutes, SB 253 (Climate Corporate Data Accountability...more

Maynard Nexsen

Important Updates from the Second Public Workshop on California’s Climate Disclosure Rules

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On August 21, 2025, the California Air Resources Board (“CARB”) held its second virtual public workshop on California’s climate reporting laws, Senate Bill 253 (The Climate Corporate Data Accountability Act) and Senate Bill...more

Cooley LLP

CARB Workshop Provides Additional California Climate Law Disclosure Guidance

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The California Air Resources Board (CARB) held a virtual public workshop on August 21 to refine implementation of the state’s corporate climate-disclosure laws – Senate Bills 253 and 261 (amended by SB 219). In advance of...more

Akin Gump Strauss Hauer & Feld LLP

California Climate Disclosure Laws Survive Preliminary Injunction on First Amendment Challenge: Reporting Obligations Swiftly...

On August 13, 2025, the U.S. District Court for the Central District of California denied a motion for preliminary injunction filed by a coalition of business groups seeking to halt implementation of California’s corporate...more

Vinson & Elkins LLP

CARB Hosts Public Workshop on California Climate Laws

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The California Air Resources Board (“CARB”) hosted a public workshop on August 21, 2025 to provide information on Senate Bills 253, 261 and 219 (the “California climate laws”) and solicit feedback from consumers and...more

Ropes & Gray LLP

California Air Resources Board Addresses the Who, What, How and When of California’s Corporate Climate Disclosure Laws at August...

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Yesterday, the California Air Resources Board held its second marathon virtual public workshop on California’s pending corporate climate disclosure laws. These laws will require subject companies to publicly report on...more

Procopio, Cory, Hargreaves & Savitch LLP

California’s Unique Greenhouse Gas Emissions Laws Remain in Effect—For Now

Relief is not immediately in sight for companies subject to key California greenhouse gas emission laws. A federal court in California recently denied a motion for a preliminary injunction to pause compliance with SB-253,...more

Alston & Bird

California Climate Disclosure Laws Survive First Amendment Challenge

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Two California climate disclosure laws have withstood an attempt to block them in a lawsuit challenging their constitutionality. Our Environment, Land Use & Natural Resources Group breaks down what the federal court’s...more

Beveridge & Diamond PC

California Wins Key Victory in Ongoing Challenge to Its Climate Disclosure Laws

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Key Takeaways - What is Happening? On August 13, 2025, the U.S. District Court for the Central District of California (the District Court) denied the motion for a preliminary injunction filed by the United States Chamber of...more

Vinson & Elkins LLP

Ongoing Legal Battle Over California’s Climate-Related Disclosure Laws: District Court Gives Red Light to Preliminary Injunction...

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On August 13, 2025, the U.S. District Court for the Central District of California denied a motion for preliminary injunction to enjoin California Senate Bills 253 and 261. The Chamber of Commerce and five co-Plaintiffs...more

Hogan Lovells

California’s new climate disclosure laws: Implications for the life sciences and health care sector

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California is rolling out two climate disclosure laws—SB 253 and SB 261—that will soon require major companies that operate in California to publicly report their greenhouse gas (GHG) emissions and climate-related financial...more

Stoel Rives - Environmental Law Blog

No Pause for Climate Disclosures: Court Denies Motion for Preliminary Injunction Against California’s SB 253 and SB 261

On August 13, 2025, the U.S. District Court for the Central District of California dealt a setback to plaintiffs and potentially regulated entities in Chamber of Commerce of the United States of America et al. v. California...more

Morrison & Foerster LLP

Federal Court Declines to Enjoin California Climate Disclosure Laws

On August 13, 2025, the U.S. District Court for the Central District of California declined to enjoin California’s two major climate disclosure bills, the Climate Corporate Data Accountability Act (SB 253) and the...more

Allen Matkins

California Environmental Law & Policy Update 8.15.25

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A group of truck manufacturers filed a lawsuit on August 11 against California regulators contending that the state lacks the authority to enforce its heavy-duty vehicle emissions standards, which are stricter than federal...more

Mintz

The Trump Administration Dismantles California's "Clean Truck Partnership" Through the Use of Antitrust Law

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On August 12, 2025, the Federal Trade Commission announced that it had “closed its investigation into whether several truck and engine manufacturers and their trade association violated the antitrust laws by entering the...more

Baker Donelson

Endangerment Finding Reconsidered as Clean Air Waivers Are Targeted

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California's unique ability to set its own vehicle emissions standards under Section 209(b) of the Clean Air Act (CAA) is facing unprecedented legal and political challenges. At the center of the controversy is Congress's...more

Jones Day

Court Upholds California Climate Disclosure Laws—for Now

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On August 13, 2025, the U.S. District Court for the Central District of California denied the U.S. Chamber of Commerce’s motion for a preliminary injunction seeking to halt enforcement of SB 253 (emissions disclosure) and SB...more

Mintz

Federal District Court Rejects Challenge to California's Climate Disclosure Law

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On August 13, 2025, the challenge to the State of California's mandatory climate disclosure regulations was resoundingly rejected by Judge Wright (C.D. Cal.). The preliminary injunction-- sought by the U.S. Chamber of...more

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