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California Governor Gavin Newsom signed legislation lifting moratorium on transportation of carbon dioxide by pipeline.

By Joshua T. Bledsoe, Marc T. Campopiano, Brian McCall, and Shawna Strecker

On October 10, 2025, Governor Gavin Newsom signed legislation aimed at boosting California’s carbon capture, removal, utilization and storage (CCUS) market. CCUS involves capturing carbon dioxide (CO2) from point-sources — such as industrial facilities — transporting it, and injecting it into underground geological formations for permanent storage, enhanced oil recovery…

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The agency simultaneously issued a survey to validate the list.

By Joshua T. Bledsoe, Nikki Buffa, Betty M. Huber, Austin J. Pierce, and Shawna Strecker

On September 24, 2025, the California Air Resources Board (CARB) published a list of entities that it believes will be subject to requirements under Senate Bill (SB) 253 and/or SB 261. The list serves as an initial reference point for companies with a nexus to California regarding their reporting obligations. CARB…

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California’s amended LCFS Regulation took effect on July 1, 2025 as the fuel price impact debate and judicial challenges continue.

By Joshua T. Bledsoe, Tal Carmeli, and Samantha Yeager

On June 27, 2025, the California Office of Administrative Law (OAL) approved the amended Low Carbon Fuel Standard (LCFS) Regulation, submitted by the California Air Resources Board (CARB) to the OAL on May 16, 2025. Following OAL’s approval, CARB announced that the amendments would enter into force on…

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On June 4, 2025, Latham & Watkins and Integral Consulting discussed regulatory, insurance, and litigation developments for wildfires in 2025.

By Marc T. Campopiano, Robin M. Hulshizer, and Steven B. Lesan

In light of the recent California wildfires, companies in the state and across the nation must navigate more complex regulatory regimes when managing and responding to wildfire risks. In addition, wildfires continue to be a serious threat to the public and environment, affecting air quality, amplifying the…

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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.

By Joshua T. Bledsoe, Nikki Buffa, Betty M. Huber, and Matthew Green

The litigation over California’s climate disclosure laws has been ongoing since January 2024. In the latest development, the US District Court for the Central District of California is scheduled to conduct a hearing on a motion…

California Aqueduct

Stakeholders should stay informed as state and federal officials advance plans and policies for water conservation, water quality, and climate resilience in California.

By Mike Romey, Lucas Quass, Nolan Fargo, Cody Kermanian, and Samantha Yeager

Following consecutive years of heavy rainfall, California experienced record heat and dry conditions during the summer of 2024, which led parts of the state back into drought. Despite late 2024 storms in Northern California, January 2025 saw statewide precipitation fall below…

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Affected landowners may be able to avail themselves of certain protections under state and federal environmental laws.

By Aron Potash and Cody M. Kermanian

In the aftermath of the wildfires in the Los Angeles area in January 2025, a cleanup effort is underway to facilitate the safe return of residents to their homes in Altadena and Pacific Palisades. The federal government is leading the effort in coordination with various state and local agencies, and the government has reported significant progress…

USA, California, Golden Gate Bridge in the evening

The landmark decision alters the NPDES permit landscape, shifting the focus to specific actions over general outcomes.

By Michael G. Romey, Benjamin D. Gibson, Lucas I. Quass, Phil Goldberg, and Cody M. Kermanian

On March 4, 2025, the US Supreme Court issued its decision in City and County of San Francisco v. Environmental Protection Agency, 145 S.Ct. 704 (2025), which held that while the Clean Water Act (CWA) authorizes the inclusion of narrative (non-numeric) criteria…

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

By Joshua Bledsoe, Nikki Buffa, Betty M. Huber, and Matthew Green

On February 3, 2025, in Chamber of Commerce of the United States of America et al. v. California Air Resources Board et al.,1 the US District Court for the Central District of California granted the state’s motion to dismiss the…