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California 20252026

AB 643

Climate change: short-lived climate pollutants: organic waste reduction.

Open original source Back to bills
Source: Open States / PluralUpdated 2026-09-12 13:12:55 UTC.

Official record

Measure details

Jurisdiction
California
Session
20252026
Chamber
lower
Classification
bill
Subjects
Climatechange, organicwastereduction, short-livedclimatepollutants
Introduced / first action
2025-02-13 00:00:00

Source-supplied abstracts

Existing law establishes methane emissions reduction goals that include a target to reduce landfill disposal of organics by 75% of the 2014 level of the statewide disposal of organic waste by 2025. Existing law requires the Department of Resources Recycling and Recovery, in consultation with the State Air Resources Board, to adopt regulations to achieve the organic waste reduction goals. Existing law authorizes a local jurisdiction to count specified recovered organic waste products towards up to 10% of its recovered organic waste procurement target. This bill would additionally authorize a local jurisdiction to count a beneficial agricultural amendment derived from organic waste that may include biosolids towards up to that 10% of its recovered organic waste procurement target if the material meets the requirements to be deemed to constitute a reduction in landfill disposal, the material is registered or approved for end use as a fertilizing material by the Department of Food and Agriculture, and the material is not derived from, or processed using, specified activities relating to the final deposition or management of solid waste, as provided. The bill would require the amount of the procured materials to be calculated using the dry weight of the materials. Existing law authorizes a local jurisdiction to count compost produced and procured from specified compost operations towards its recovered organic waste procurement target, including, under specified conditions, operations composting green material, agricultural material, food material, and vegetative food material if the total amount of feedstock and compost onsite at any one time does not exceed 100 cubic yards and 750 square feet. This bill would repeal that authorization, but would instead authorize a local jurisdiction to count towards its procurement target compost produced and procured from certain composting operations, including the composting of green material, agricultural material, food material, and vegetative food material if the total amount of feedstock and compost onsite at any one time does not exceed either 200 cubic yards or, for a composting activity owned by a public agency, as defined, 500 cubic yards, amounts that may be increased by regulation, as specified.

Sponsors

Source-supplied history

Actions

  1. Enrolled and presented to the Governor at 4 p.m.

    executive-receipt

  2. Senate amendments concurred in. To Engrossing and Enrolling. (Ayes 75. Noes 1.).

    amendment-passage, committee-passage, committee-passage-favorable

  3. In Assembly. Concurrence in Senate amendments pending.

  4. Read third time. Passed. Ordered to the Assembly. (Ayes 39. Noes 0.).

    passage, reading-1, reading-3

  5. Read second time. Ordered to third reading.

    reading-1, reading-2, reading-3

  6. Read third time and amended. Ordered to second reading.

    amendment-passage, reading-1, reading-2, reading-3

  7. Ordered to third reading.

    reading-1, reading-3

  8. Action rescinded whereby the bill was read third time, passed, and to Assembly.

    passage, reading-1, reading-3

  9. In Senate. Held at Desk.

  10. Ordered to the Senate.

  11. In Assembly. Concurrence in Senate amendments pending.

  12. Read third time. Passed. Ordered to the Assembly. (Ayes 37. Noes 0. Page 5188.).

    passage, reading-1, reading-3

  13. Read second time. Ordered to Consent Calendar.

    reading-1, reading-2

  14. From committee: Be ordered to second reading file pursuant to Senate Rule 28.8 and ordered to Consent Calendar.

    committee-passage, reading-1, reading-2

  15. From committee: Do pass and re-refer to Com. on APPR. with recommendation: To Consent Calendar. (Ayes 7. Noes 0.) (June 17). Re-referred to Com. on APPR.

    committee-passage, committee-passage-favorable, referral-committee

  16. From committee chair, with author's amendments: Amend, and re-refer to committee. Read second time, amended, and re-referred to Com. on E.Q.

    amendment-introduction, amendment-passage, committee-passage, reading-1, reading-2, referral-committee

  17. In committee: Hearing postponed by committee.

  18. From committee chair, with author's amendments: Amend, and re-refer to committee. Read second time, amended, and re-referred to Com. on E.Q.

    amendment-introduction, amendment-passage, committee-passage, reading-1, reading-2, referral-committee

  19. Referred to Com. on E.Q.

    referral-committee

  20. In Senate. Read first time. To Com. on RLS. for assignment.

    reading-1, referral-committee

  21. Read third time. Passed. Ordered to the Senate. (Ayes 60. Noes 4. Page 3837.)

    passage, reading-1, reading-3

  22. Read second time. Ordered to third reading.

    reading-1, reading-2, reading-3

  23. From committee: Do pass. (Ayes 14. Noes 1.) (January 22).

    committee-passage, committee-passage-favorable

  24. Assembly Rule 63 suspended. (Page 3806.)

  25. Re-referred to Com. on APPR.

    referral-committee

  26. Read second time and amended.

    amendment-passage, reading-1, reading-2

  27. From committee: Amend, and do pass as amended and re-refer to Com. on APPR. (Ayes 12. Noes 1.) (January 12).

    amendment-introduction, amendment-passage, committee-passage, referral-committee

  28. Re-referred to Com. on NAT. RES.

    referral-committee

  29. From committee chair, with author's amendments: Amend, and re-refer to Com. on NAT. RES. Read second time and amended.

    amendment-introduction, amendment-passage, committee-passage, reading-1, reading-2, referral-committee

  30. In committee: Hearing postponed by committee.

  31. In committee: Hearing postponed by committee.

  32. Re-referred to Com. on NAT. RES.

    referral-committee

  33. From committee chair, with author's amendments: Amend, and re-refer to Com. on NAT. RES. Read second time and amended.

    amendment-introduction, amendment-passage, committee-passage, reading-1, reading-2, referral-committee

  34. Referred to Com. on NAT. RES.

    referral-committee

  35. From printer. May be heard in committee March 16.

  36. Read first time. To print.

    reading-1

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