California SB 88: Air resources: carbon emissions: biomass.

Status: Veto sustained. (as of 2026-03-02)

State: California · Session: 20252026 · Bill: SB 88

Subjects: Airresources, biomass, carbonemissions

Sponsors: Caballero, Cabaldon, Flora, Grayson

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 Bill Text - SB-88 Air resources: carbon emissions: biomass.

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 |Add To My Favorites |Track Bill | Version: 09/13/25 - Enrolled
 09/02/25 - Amended Assembly
 06/25/25 - Amended Assembly
 05/23/25 - Amended Senate
 04/21/25 - Amended Senate
 04/03/25 - Amended Senate
 03/20/25 - Amended Senate
 03/06/25 - Amended Senate
 01/22/25 - Introduced

 SB-88 Air resources: carbon emissions: biomass.(2025-2026)

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 Date Published: 09/13/2025 09:00 PM

SB88:v91#DOCUMENTBill Start

 Enrolled
 September 13, 2025

 Passed
 IN 
 Senate
 September 11, 2025

 Passed
 IN 
 Assembly
 September 09, 2025

 Amended
 IN 
 Assembly
 September 02, 2025

 Amended
 IN 
 Assembly
 June 25, 2025

 Amended
 IN 
 Senate
 May 23, 2025

 Amended
 IN 
 Senate
 April 21, 2025

 Amended
 IN 
 Senate
 April 03, 2025

 Amended
 IN 
 Senate
 March 20, 2025

 Amended
 IN 
 Senate
 March 06, 2025

 CALIFORNIA LEGISLATURE—
 2025–2026 REGULAR SESSION

 Senate Bill

No. 88

Introduced by Senator Caballero
(Coauthors: Senators Cabaldon and Grayson)
(Coauthor: Assembly Member Flora)

January 22, 2025

An act to add Section 39741.6 to the Health and Safety Code, relating to air resources. 

LEGISLATIVE COUNSEL'S DIGEST

SB 88, Caballero.
 Air resources: carbon emissions: biomass.

The California Global Warming Solutions Act of 2006 establishes the State Air Resources Board as the state agency responsible for monitoring and regulating sources emitting greenhouse gases and requires the state board to ensure that statewide greenhouse gas emissions are reduced to at least 40% below the 1990 level by 2030.

Existing law requires the state board, in consultation with the Department of Forestry and Fire Protection, to develop a standardized system for quantifying the direct carbon
 emissions and decay from fuel reduction activities for purposes of meeting the accounting requirements for Greenhouse Gas Reduction Fund expenditures, as specified.

This bill would require the state board, on or before January 1, 2028, to publish on its internet website an assessment of the life-cycle emissions from alternative uses of forest and agricultural biomass residues, as specified. The bill would require the state board, on or before January 1, 2029, to
 publish on its internet website a strategy to support beneficial carbon removal products, including, but not limited to, biochar, that are generated from agricultural or forest biomass resources.

The bill would require the Department of Forestry and Fire Protection to require, to the extent feasible, all state-funded forest health projects to include an appropriate forest biomass resource disposal component that includes a scientifically based, verifiable method to determine the amount of biomass to be physically removed and the amount to be burned by prescribed burn. The bill would require the State Energy Resources Conservation and Development Commission to include the value proposition of using agricultural and forest biomass
 resources for low- and negative-carbon liquid and gaseous fuels, including hydrogen, from noncombustion conversion technology methods and other emerging and innovative approaches in relevant reports and other agency-sponsored documentation.

Digest Key

 Vote:
 MAJORITY 
 Appropriation:
 NO 
 Fiscal Committee:
 YES 
 Local Program:
 NO 

Bill Text

The people of the State of California do enact as follows:

SECTION 1.

 The Legislature finds and declares all of the following:

(a) Millions of tons of forest and agricultural biomass are burned in California annually, including by wildfires, prescribed burns, and illegal burns.

(b) Wildfires are a growing source of air pollution that harm public health, including by increasing respiratory illnesses, heart disease, cancer, and premature death.

(c) Wildfires are also a growing source of climate pollution that, in some years, exceeds all of the carbon reductions achieved across the
 state’s economy.

(d) Existing law requires a 40-percent reduction in greenhouse gas emissions by 2030, a 50-percent reduction in anthropogenic black carbon emissions by 2030, and carbon neutrality to be achieved by 2045.

(e) The growing emissions from wildfires threaten the state’s ability to meet its climate goals and reach attainment of federal ambient air quality standards.

(f) Forest and agricultural biomass are resources that can be used for beneficial purposes to create low-carbon fuel alterna

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