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Ninth Circuit Hears Oral Argument in Challenge to California Climate Disclosure Laws SB 261 and SB 253; No Ruling Yet

On January 9, 2026, a three-judge panel for the U.S. Court of Appeals for the Ninth Circuit heard oral argument in a challenge to California Senate Bills (SB) 261 and 253 in Chamber of Commerce v. Sanchez, No. 25-5327 (9th...more

CARB Releases Proposed Regulations for SB 261 and 253

On December 9, 2025, the California Air Resources Board (CARB) released its proposed regulatory text for the initial regulations implementing Senate Bills (SB) 261 and 253. SB 261 requires covered entities to publish...more

CARB Climate Disclosure Laws Updates: CARB Enforcement Advisory for SB 261 and Docket Opening; Expected Deadline for SB 253

On December 1, 2025, the California Air Resources Board (CARB) provided multiple updates regarding its implementation of Senate Bill (SB) 261 following the U.S. Court of Appeals for the Ninth Circuit’s order staying...more

Ninth Circuit Stays Enforcement of California Climate Disclosure Law SB 261 Pending Appeal

On November 18, 2025, the U.S. Court of Appeals for the Ninth Circuit issued an order enjoining enforcement of California Senate Bill 261 (“SB 261”) pending an appeal filed by the U.S. Chamber of Commerce and other business...more

CA Climate Disclosures – SB 261 – January 1, 2026 Reporting Deadline and CARB “Preliminary List” of Covered Entities

While the January 1, 2026, statutory deadline for reporting under California’s Climate-Related Financial Risk Act (SB 261) is quickly approaching, there is still time for regulated entities to comply with the law. Although...more

The Shifting Winds in Federal Energy Policy: Department of the Interior Implements Sweeping New Review Requirements for Wind and...

On July 15, 2025, the U.S. Department of the Interior (DOI) issued a memorandum establishing significantly heightened review procedures for federal decisions, actions, consultations, and other undertakings related to wind and...more

Prop 65: Changes to Short-Form Warnings Will Cause Long-Term Impacts

The California Office of Environmental Health Hazard Assessment (OEHHA) recently amended its regulations concerning requirements for consumer product warnings to qualify for “safe harbor” protection from enforcement actions...more

The Trump Administration: Developments in Environmental Policy

From the outset, key goals of the incoming Trump Administration have been: supporting fossil fuel development, ending incentives for renewable energy and energy transition, removing burdensome environmental regulations and...more

Incoming Environmental Protection Agency (EPA) Personnel and Impact on Enforcement

To nobody’s surprise, it is already evident that President Trump’s second term will mark a significant shift in environmental regulation and policy from the Biden Administration. This article marks the first in a where we...more

Wetlands No More? U.S. Supreme Court Limits Federal Regulation of Wetlands in Sackett v. EPA Decision

On May 25, 2023, the Supreme Court issued a decision in Sackett v. EPA,effectively narrowing the scope of federally protected wetlands to which the Clean Water Act (CWA) applies. The CWA provides the U.S. Army Corp of...more

Securities and Exchange Commission or Securities and Environment Commission? The SEC Proposes New Rules for Climate-Related...

On March 21, 2022, the U.S. Securities and Exchange Commission (SEC) released a comprehensive set of proposed rules mandating climate-related risk disclosures for public companies (Proposed Rule). For some the release marks...more

Army Corps Changes Course: CWA Jurisdictional Determinations May Require a New Look

In a move that could have wide-ranging implications for developers of real estate, including renewable energy projects, throughout the United States, the U.S. Army Corps of Engineers (the “Corps”) recently announced that it...more

The Biden Administration Proposes New Rule to Dramatically Cut Methane Emissions in the Oil and Gas Sector

Last week, as world leaders met at the United Nations Climate Change Conference (COP26) in Glasgow, Scotland, the U.S. Environmental Protection Agency (“EPA”), issued a proposed rule under the Clean Air Act (“CAA”) designed...more

California OEHHA Proposes New Safe Harbor Warnings for Acrylamide in Foods

On September 17, 2021, the California Office of Environmental Health Hazard Assessment (“OEHHA”) proposed new, alternative safe harbor warnings for acrylamide exposures in food. OEHHA’s stated goal is to reduce the potential...more

“Where’s the PFAS?” EPA Expands Search for PFAS in the Marketplace

On June 10, 2021, pursuant to Section 8(a) of the Toxic Substances Control Act (“TSCA”), the U.S. EPA proposed a rule requiring manufacturers and importers of per- and polyfluoroalkyl substances (“PFAS”) to report information...more

An End to Draining the Swamp? U.S. EPA, Army Corps Announces Intent to Revise Definition of “Waters of the United States”

Yesterday, the U.S. EPA and the U.S. Army Corps of Engineers announced their intent to initiate a rulemaking process to promulgate a new definition of “waters of the United States” (“WOTUS”) under the Clean Water Act (“CWA”)....more

PBT Regulations Update - No Action Assurance for PIP (3:1) Articles and New Request for Comments

After a recent flurry of concerns over the potential for widespread supply-chain interruptions, the United States Environmental Protection Agency (“EPA”) issued a 180-day No Action Assurance (NAA) regarding the new...more

U.S. EPA Extends TSCA CDR Reporting Deadline to January 29, 2021

Every four years, under the Chemical Data Reporting (CDR) Rule issued pursuant to the Toxic Substances Control Act (TSCA), manufacturers (including importers) must provide U.S. EPA with information on the production and use...more

Deadline Approaching: TSCA CDR Reports Due November 30, 2020

Every four years, under the Chemical Data Reporting (CDR) Rule issued pursuant to the Toxic Substances Control Act (TSCA), manufacturers (including importers) must provide U.S. EPA with information on the production and use...more

U.S. Supreme Court Decision Creates Uncertainty, Liability Risk for Releases of Pollutants to Groundwater

On April 23rd, the U.S. Supreme Court issued its decision in County of Maui v. Hawaii Wildlife Foundation, holding that the Clean Water Act regulates a release to groundwater that indirectly pollutes surface water if the...more

U.S. EPA Issues Enforcement Discretion Policy Addressing Coronavirus Compliance Impacts

On Thursday, March 26, the United States Environmental Protection Agency (“U.S. EPA”) released a much anticipated enforcement discretion policy that provides temporary and limited enforcement discretion for certain violations...more

Managing the Commercial Impact of the Coronavirus: Top Environmental Considerations

Even though the coronavirus poses novel and complex challenges to all aspects of a company’s operations, it is not an excuse for companies to press “pause” on their obligations to comply with environmental laws and permits. ...more

Updated TSCA Inventory: What You Need to Know Now to Avoid Business Disruption*

In 2016, after decades without any changes, Congress amended the Toxic Substances Control Act (the “TSCA”) with an eye towards updating and modernizing the regulatory regime for chemical substances. One of the elements of the...more

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