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Greenhouse Gas Emissions Constitutional Challenges Climate Change

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

Fenwick & West LLP

Court Denies Preliminary Injunction to Enjoin California’s Climate Disclosure Laws

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On Wednesday, August 13, 2025, the U.S. District Court for the Central District of California issued an order denying plaintiffs’ motion for a preliminary injunction to enjoin California’s Climate Corporate Data...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

ArentFox Schiff

South Carolina Court Dismisses City’s Climate Litigation Against Energy Companies

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A South Carolina state trial court recently dismissed a climate tort case filed by the City of Charleston seeking to hold major energy companies liable for harms allegedly caused by climate change. This ended a case that had...more

Baker Donelson

California's Climate Laws: CARB Sets the Stage, but Final Rules Delayed

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California is gearing up to implement and enforce two groundbreaking climate disclosure laws – the Climate Corporate Data Accountability Act (CCDA) and the Climate-Related Financial Risk Act (CFRA). In July 2025, in lieu of...more

Jones Day

New EPA Positions Reflected in Sweeping Rollback of Greenhouse Gas Regulation

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The Environmental Protection Agency ("EPA") proposed a rule that would rescind the 2009 Endangerment Finding, citing a new interpretation of the relevant section in the Clean Air Act ("CAA"), a lack of clear congressional...more

Jenner & Block

California Vehicle Waiver: Congressional Review Act Showdown

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The Congressional Review Act (“CRA”), enacted in 1996, allows Congress to disapprove federal regulations promulgated by government agencies within 60 legislative working days after the rule is submitted to Congress. In order...more

Jones Day

Climate Resilience Under Legal Scrutiny: France's Adaptation Plan Challenged in Groundbreaking Action

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On April 7, 2025, a coalition of climate-impacted individuals and leading environmental NGOs—including Greenpeace and Notre Affaire à Tous—addressed a formal notice to the French government, challenging France's adaptation...more

Jones Day

Environmental Groups Sue New York to Implement Greenhouse Gas Reduction Law

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On March 31, 2025, a coalition of environmental groups in New York filed a lawsuit to compel the New York Department of Environmental Conservation ("DEC") to issue regulations implementing the Climate Leadership and Community...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

Latham & Watkins LLP

Latest Developments in Fight Over California’s Climate Disclosure Laws

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A preliminary injunction motion is set for May, the judge issued a scheduling order, and CARB announced a public workshop to kick off a rulemaking to implement the laws....more

Foley Hoag LLP - Energy & Climate Counsel

Trump Administration Sues Four States to Block Climate Superfund Legislation and Climate Deception Litigation

As we have noted previously, a number of states have enacted legislation and/or brought claims against fossil fuel producers seeking payment for damages resulting from climate change. Legislative efforts include New York...more

Pillsbury - Gravel2Gavel Construction & Real...

Federal Government Sues Four States Over Climate Superfund Laws and Climate Change Litigation

The U.S. Department of Justice (DOJ) has filed a series of federal lawsuits against four states—New York, Vermont, Michigan and Hawaii—alleging that recent legislative and enforcement efforts to hold fossil fuel companies...more

Cozen O'Connor

Vermont’s Climate Superfund Law Draws Heated Challenge from GOP AGs

Cozen O'Connor on

A group of 24 Republican AGs, along with several trade associations, sued Vermont over the state’s Climate Superfund Act, which authorizes the state to levy billions of dollars in fines on fossil fuel companies for alleged...more

Latham & Watkins LLP

Executive Order Targeting State Energy Regulations: Impacts and Responses From States

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The order instructs the Attorney General to curb state and local climate initiatives and prepare a report within 60 days detailing those efforts....more

Baker Donelson

Red Tape or Green Future? Unpacking California's Climate Disclosure Laws and the Pushback

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As the federal government works to roll back climate regulations and climate-focused initiatives, states are developing avenues to fill in the gaps left behind. In 2024, the Securities and Exchange Commission (SEC) adopted...more

Pillsbury Winthrop Shaw Pittman LLP

State Climate Laws and Litigation Face Federal Pushback Under New Executive Order

On April 8, 2025, President Trump issued Executive Order 14260, Protecting American Energy From State Overreach​. Framed as part of the Administration’s broader strategy of unleashing American energy, the Order directs...more

Foley Hoag LLP - Environmental Law

Trump Executive Order Targets State Climate Laws—and RGGI?

On April 8, the White House issued an Executive Order aimed at “Protecting American Energy from State Overreach.” While the direct effects from this Executive Order are hard to assess, the Trump Administration clearly intends...more

Morgan Lewis

Executive Order Seeks to Limit State Role in Energy Regulation

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The US administration issued the executive order “Protecting American Energy from State Overreach” on April 8, 2025, directing the US Attorney General to identify and challenge state- and local-level energy and climate...more

Troutman Pepper Locke

New Executive Order Challenges State Climate Laws

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Challenging a slew of state climate-related laws and programs, President Trump’s April 8, 2025 executive order (EO) set the stage for more legal fights between the federal government and states. In the new EO, “Protecting...more

Vinson & Elkins LLP

President Trump Targets State Laws That Burden Energy Production

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On April 8, 2025, President Trump issued an Executive Order titled “Protecting American Energy From State Overreach” (the “Executive Order”), which directs the United States Attorney General to identify and halt the...more

Fenwick & West LLP

Trump Takes Aim At State Climate Change Laws

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On April 8, 2025, President Donald Trump issued an executive order “aimed at securing America’s energy dominance by removing unlawful and burdensome state-level impediments to domestic energy production.”...more

Pillsbury Winthrop Shaw Pittman LLP

The Battle Over Climate Superfund Laws: Legal Challenges in Vermont and New York

States are increasingly turning to “Climate Superfund” laws as a potential mechanism to offset the growing costs of climate-related disaster recovery and the construction of more climate change-resilient infrastructure. These...more

Cooley LLP

Surprise—not! SEC votes to terminate defense of climate disclosure rules

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Yesterday, the SEC announced that the Commissioners had voted to end the SEC’s “defense of the rules requiring disclosure of climate-related risks and greenhouse gas emissions”—the climate disclosure rules. As you probably...more

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