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Environmental Policies State Attorneys General

Cozen O'Connor

25 Republican AGs Urge Dismissal of Maryland Climate Lawsuits

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Alabama AG Steve Marshall, joined by 24 other Republican AGs, filed an amicus curiae brief urging the Supreme Court of Maryland to dismiss three consolidated climate lawsuits brought by Maryland local governments against...more

Cozen O'Connor

State AGs Seek to Intervene in EV Fuel Economy Case

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AGs from Iowa, Kentucky, Nebraska, and West Virginia—joined by the American Free Enterprise Chamber of Commerce and several corn-grower associations—have moved to intervene in a lawsuit brought by California and other states...more

Cozen O'Connor

Democratic AGs Oppose Washing Away Appliance Efficiency Standards

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14 Democratic AGs and the Corporation Counsel for the City of New York submitted 16 comment letters to the U.S. Department of Energy (DOE) opposing the agency’s proposed rescission of water and energy efficiency standards for...more

Troutman Pepper Locke

Mass. AG Emerges as Key Player in Consumer Protection

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Massachusetts Attorney General Andrea Campbell has emerged as a significant figure in the landscape of consumer protection and corporate accountability. Her actions and initiatives have positioned her as a thought leader...more

Jones Day

California Prosecutors Aggressively Pursue Compliance With Medical and Hazardous Waste Disposal Requirements

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Health care facilities' compliance with medical and hazardous waste disposal laws comes under scrutiny in recent—and costly—investigations in California. ...more

Mintz

Democratic Senators Launch Investigation of Major Financial Institutions Based Upon Their Retreat From Climate Policies

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Earlier this year, each of the major US banks announced their withdrawal from the Net Zero Banking Alliance.  This move, which was likely undertaken in response to the policy priorities of the Trump Administration, was...more

Troutman Pepper Locke

Fifteen States Sue the Trump Administration Over “Energy Emergency” Executive Order

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On May 9, 2025, fifteen democratic states (“Plaintiff States”) sued the Trump Administration in Washington District Court, claiming that President Trump’s executive order “Declaring a National Energy Emergency” (“Executive...more

Troutman Pepper Locke

New Jersey AG Platkin Reaches $450M PFAS Settlement With 3M

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On May 13, New Jersey Attorney General (AG) Matthew Platkin announced a proposed $450 million settlement agreement with 3M regarding allegations that, among other issues, contamination of perfluoroalkyl and polyfluoroalkyl...more

Cozen O'Connor

The State AG Report – 05.15.2025

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Here are curated AG and federal regulatory news stories highlighting key areas in which state and federal regulators’ decisions are having an impact across the US: • Texas Secures $1.375B Settlement with Google Over Alleged...more

Cozen O'Connor

The State AG Report – 05.08.2025

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Here are curated AG and federal regulatory news stories highlighting key areas in which state and federal regulators’ decisions are having an impact across the US: • California to Repeal Clean Fleets Regulation Following...more

Cozen O'Connor

California to Repeal Clean Fleets Regulation Following GOP AGs Challenge

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A group of 16 Republican AGs, the Arizona legislature, and a trade association announced that as a result of their lawsuit challenging California’s Advanced Clean Fleets regulation, the California Air Resources Board (CARB)...more

Cozen O'Connor

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

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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

Cozen O'Connor

The State AG Report – 05.01.2025

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Here are curated AG and federal regulatory news stories highlighting key areas in which state and federal regulators’ decisions are having an impact across the US: • Republican AGs Urge EPA to Recognize Greater State...more

Cozen O'Connor

Republican AGs Urge EPA to Recognize Greater State Control over Waterways

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A group of 18 Republican AGs and the Arizona legislature submitted a comment letter in response to the EPA’s request for feedback on the definition of “waters of the United States” (WOTUS), which determines which water bodies...more

Cozen O'Connor

Bills Severing EPA from Risk Assessment Research Draw Heat from Democratic AGs

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A group of 14 Democratic AGs sent a letter to U.S. Senate and House leaders urging them to oppose efforts to prohibit the EPA from using human health risk assessments and to dismantle the EPA’s Office of Research and...more

Morgan Lewis

Staying Ahead of State Attorneys General Enforcement Trends

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As federal enforcement and regulatory actions evolve under the current administration, state attorneys general (State AGs) are taking an active role in responding to the changes, with support or challenges in alignment with...more

Foley Hoag LLP - State AG Insights

State Attorney General and State Governor Responses to Executive Orders Impacting Climate and Energy

In the twelve weeks since Inauguration Day, President Trump has issued dozens of executive orders, a number of which are designed to reverse the nation’s momentum on clean energy and climate action. He has sought to upend...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

Cozen O'Connor

The State AG Report – 04.03.2025

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Here are curated AG and federal regulatory news stories highlighting key areas in which state and federal regulators’ decisions are having an impact across the US: •EPA Chemical Accident Safety Rule Challenge Ignites AG...more

Cozen O'Connor

Democratic AGs Oppose CEQ’s Repeal of NEPA Regulations

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Nineteen Democratic AGs and the Harris County Attorney (Houston, Texas) have submitted comments opposing the President’s Council on Environmental Quality’s (CEQ) Interim Final Rule (Proposed Rule), which would repeal CEQ’s...more

Cozen O'Connor

The State AG Report – 03.27.2025

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Here are curated AG and federal regulatory news stories highlighting key areas in which state and federal regulators’ decisions are having an impact across the US: •Republican AGs Pen Fiery Letter About Coal to Interior...more

Cozen O'Connor

Republican AGs Pen Fiery Letter About Coal to Interior Department

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A group of 23 Republican AGs wrote a letter to the Secretary of the U.S. Department of the Interior (DOI) supporting increased use of coal to meet growing energy needs. ...more

Jones Day

Climate Change Suits Against Energy Companies Tossed by U.S. State Courts

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On January 23, 2025, in an opinion for City of Annapolis v. BP PLC, et al. and Anne Arundel County, Maryland v. BP PLC, et al., the Circuit Court of Anne Arundel County, Maryland, dismissed two cases brought by the City of...more

Morrison & Foerster LLP

MoFo’s State + Local Government Enforcement Newsletter (February 2025)

Morrison Foerster’s State and Local Government Task Force is pleased to provide our bimonthly newsletter summarizing some of the most important and interesting developments from state attorneys general (State AGs) across the...more

Cozen O'Connor

GOP AGs Urge Congress to Expand Year-Round Access to E15 Fuel

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A coalition of 16 Republican AGs wrote a letter to Congressional leaders supporting the passage of the Nationwide Consumer and Fuel Retailer Choice Act of 2025, which would allow all states access to E15—a gasoline blend with...more

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