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Understanding New York’s Proposed Mandatory Greenhouse Gas Reporting Program: Key Insights and Comparative Analysis

On March 26, 2025, the New York State Department of Environmental Conservation (NYSDEC) announced proposed regulations that would establish a mandatory greenhouse gas (GHG) reporting program for fuel suppliers, waste haulers...more

Legal Battle Over California’s Climate Disclosure Laws Continues as Plaintiffs File a Motion for Preliminary Injunction

Paramount to the ruling in the upcoming May 5, 2025, hearing is the likelihood that strict scrutiny will apply to the plaintiffs’ First Amendment claims against SB 253 and SB 261....more

Court Dismisses Portions of Lawsuit Against California Climate Disclosure Laws

Supremacy Clause and Dormant Commerce Clause claims against SB 253 and SB 261 were dismissed, while claims under the First Amendment proceed to discovery....more

Environmental Groups, Biofuel Trade Association Challenge Amendments to the California Low Carbon Fuel Standard

Stakeholders should anticipate potential delays and market impacts amid the ongoing legal challenges and the Office of Administrative Law’s recent disapproval....more

Treasury Circulates Draft Regulations for Section 45Z Clean Fuel Production Credit

A new tax credit is proposed to calculate a fuel’s emissions factor based on its full carbon life cycle of production. Notices 2025-10 and 2025-11 (Notices), released on January 10, 2025, outline the intention of the...more

CARB Will Not Fully Enforce California’s Climate Corporate Data Accountability Act in 2026

CARB will not penalize reporting entities for incomplete Scope 1 and 2 emissions disclosures under SB 253, irritating lawmakers and raising the specter of oversight hearings....more

US EPA Proposes Methane Emissions Fees for Oil and Natural Gas Industry

The WEC Rule would impose fees for oil and gas facilities reporting a certain amount of greenhouse gas emissions per year. On January 26, 2024, the US Environmental Protection Agency (EPA) published in the Federal...more

EPA Releases Updated, Elevated Estimates for the Social Cost of Greenhouse Gases

New report raises social cost of carbon estimates, surpassing previous estimates by more than 250%. On December 2, 2023, the US Environmental Protection Agency (EPA) released a final report that substantially increases...more

COP28: Key Takeaways From the Annual Climate Conference in Dubai

The first global stocktake, Article 6, carbon markets, new finance pledges, and the loss and damage fund formed the major developments at this year’s conference. Between November 30 and December 12, 2023, Dubai hosted the...more

Federal Court Upholds SCAQMD Warehouse Rule

A district court has ruled that federal law does not preempt an indirect source rule that targets emissions associated with warehouses in Southern California. On December 14, 2023, a US federal judge rejected claims that...more

Long-Awaited Guidelines From Article 6.4 Published Ahead of COP28

The Supervisory Body published the Methodology Guidance and the Removal Guidance to be presented for discussion in COP28. After two years of discussion, the Supervisory Body (SB) responsible for determining the...more

California Passes GHG Emissions Reporting and Climate-Related Financial Risk Legislation

Governor Newsom has committed to signing into law two bills that would require certain companies that do business in California to disclose their GHG emissions and climate-related financial risks. In January 2023,...more

Unprecedented Buildout of Renewables and Transmission Necessary for California Decarbonization

The state must dramatically expand its energy infrastructure and renewable energy sources to satisfy growing demand for electricity while meeting ambitious climate goals, according to California Independent System Operator’s...more

CARB Adopts Final 2022 Scoping Plan

The plan accelerates already ambitious climate goals for California and charts a course to carbon neutrality by 2045. On December 15, 2022, the California Air Resources Board (CARB) adopted its Final 2022 Scoping Plan...more

Study: Growing Wildfire Risks Threatening California’s Climate Policies

The 2020 wildfire season alone released more carbon dioxide than what California reduced through years of emission cuts. California is a recognized leader in climate policy, but a wildfire crisis is threatening to unwind...more

DOE Releases Draft Clean Hydrogen Production Standard, Draft Roadmap, and Hydrogen Hub Funding Opportunity

Key Points - ..The draft Clean Hydrogen Production Standard (CHPS) proposes a lifecycle GHG emissions target of 4 kg CO2e per kilogram of hydrogen, which is in line with the clean hydrogen production tax credit in the...more

California Legislature Passes Four Aggressive Climate Bills and Authorizes Extension of Diablo Canyon

The climate bills championed by Governor Newsom stand to alter the state’s climate policy for years to come. On August 31, 2022, the last day of its 2021-2022 session, the California Legislature passed four climate bills...more

CARB Finalizes Zero-Emission Auto Rules

California continues to push toward its statewide carbon-neutrality goals. On August 25, 2022, the California Air Resources Board (CARB) unanimously approved regulations that require all new 2035 and later passenger...more

California Air Resources Board Releases Draft Scoping Plan Update (Part 4)

CARB addresses California’s increasingly severe climate impacts. On May 10, 2022, the California Air Resources Board (CARB) released its Draft 2022 Scoping Plan Update (Draft Scoping Plan) for public review and comment....more

California Air Resources Board Releases Draft Scoping Plan Update (Part 3)

CARB doubles down on LCFS Program and liquid transportation fuels. On May 10, 2022, the California Air Resources Board (CARB) released its Draft 2022 Scoping Plan Update (Draft Scoping Plan) for public review and...more

California Air Resources Board Releases Draft Scoping Plan Update (Part 2)

CARB opts to stay the course on Cap-and-Trade Program. On May 10, 2022, the California Air Resources Board (CARB) released its Draft 2022 Scoping Plan Update for public review and comment. Assembly Bill (AB) 32, the...more

California Air Resources Board Releases Draft Scoping Plan Update

The Draft 2022 Scoping Plan Update takes an all-of-the-above approach to decarbonize California. On May 10, 2022, the California Air Resources Board (CARB) released its Draft 2022 Scoping Plan Update for public review...more

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