republic-os/legislation/us/states/ca/20212022/ab-1279.md

---
type: "Bill"
title: "The California Climate Crisis Act."
description: "The California Global Warming Solutions Act of 2006 designates the State Air Resources Board as the state agency charged with monitoring and regulating sources of emissions of greenhouse gases. The state board is required to approve a statewide greenhouse gas emissions limit equivalent to the statewide greenhouse gas emissions level in 1990 to be achieved by 2020 and to ensure that statewide greenhouse gas emissions are reduced to at least 40% below the 1990 level by 2030. The act requires the state board to prepare and approve a scoping plan for achieving the maximum technologically feasible and cost-effective reductions in greenhouse gas emissions and to update the scoping plan at least once every 5 years."
jurisdiction: "us/states/ca"
legislature: "California Legislature"
session: "20212022"
identifier: "AB 1279"
citation: "California AB 1279 (20212022)"
classification: ["bill"]
subjects: ["The California Climate Crisis Act."]
status: "enacted"
primary_sponsors: ["Muratsuchi"]
version_count: 7
action_count: 27
vote_count: 5
first_action: "2021-02-19"
last_action: "2022-09-16"
source: "openstates"
source_identifier: "ocd-bill/dee3a0b3-5004-497c-b0a3-1ff10cef94dc"
source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=202120220AB1279"
source_hash: "ec77acba14a26dc22e241c2333db4d798668f40ca7559b7250c0dc0980038d3b"
vintage: "2026-07-01"
source_snapshot: "https://data.openstates.org/daily/2026-07-01/public.pgdump"
retrieved_at: "2026-07-06"
confidence: "reported"
tags: ["legislation", "bill", "us-ca"]
---

# California AB 1279 (20212022) — The California Climate Crisis Act.

The California Global Warming Solutions Act of 2006 designates the State Air Resources Board as the state agency charged with monitoring and regulating sources of emissions of greenhouse gases. The state board is required to approve a statewide greenhouse gas emissions limit equivalent to the statewide greenhouse gas emissions level in 1990 to be achieved by 2020 and to ensure that statewide greenhouse gas emissions are reduced to at least 40% below the 1990 level by 2030. The act requires the state board to prepare and approve a scoping plan for achieving the maximum technologically feasible and cost-effective reductions in greenhouse gas emissions and to update the scoping plan at least once every 5 years.

## Version chain

The bill's text revisions, in order — the diff chain from filing to enrollment.

1. **02/19/21 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202120220AB1279&version=20210AB127999INT)
2. **03/25/21 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202120220AB1279&version=20210AB127998AMD)
3. **06/13/22 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202120220AB1279&version=20210AB127997AMD)
4. **08/28/22 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202120220AB1279&version=20210AB127996AMD)
5. **09/16/22 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202120220AB1279&version=20210AB127994CHP)
6. **AB1279** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=202120220AB1279)
7. **09/02/22 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202120220AB1279&version=20210AB127995ENR)

## Votes

- AB 1279 Muratsuchi Concurrence in Senate Amendments — **52–18** (pass) · lower
- AB 1279 Muratsuchi Consent Calendar Second Day — **75–0** (pass) · lower
- Do pass. To Consent Calendar. — **15–0** (pass) · lower
- Do pass and be re-referred to the Committee on [Appropriations] with recommendation: To Consent Calendar — **15–0** (pass) · lower
- 3rd Reading AB1279 Muratsuchi et al. By Limón — **26–10** (pass) · upper

## Sponsors

- Muratsuchi — primary (person)
- Allen — principal coauthor (person)
- Becker — principal coauthor (person)
- Cristina Garcia — author (person)
- Gonzalez — principal coauthor (person)
- Holden — coauthor (person)
- Laird — principal coauthor (person)
- Leyva — principal coauthor (person)
- Limón — principal coauthor (person)
- Luz Rivas — principal coauthor (person)
- McCarty — coauthor (person)
- McGuire — principal coauthor (person)
- Robert Rivas — coauthor (person)
- Skinner — principal coauthor (person)
- Stern — principal coauthor (person)
- Stone — coauthor (person)
- Wiener — principal coauthor (person)

## Timeline

The legislative action history — every referral, reading, and vote.

- **2021-02-19** Introduced. To print. `introduction`
- **2021-02-20** From printer. May be heard in committee March 22.
- **2021-02-22** Read first time. `reading-1`
- **2021-03-25** Referred to Com. on W.,P., & W. `referral-committee`
- **2021-03-25** From committee chair, with author's amendments: Amend, and re-refer to Com. on W.,P., & W. Read second time and amended. `amendment-introduction, amendment-passage, reading-1, reading-2`
- **2021-03-26** Re-referred to Com. on W.,P., & W. `referral-committee`
- **2021-04-27** From committee: Do pass and re-refer to Com. on APPR. with recommendation: To Consent Calendar. (Ayes 15. Noes 0.) (April 26). Re-referred to Com. on APPR. `committee-passage, committee-passage-favorable, referral-committee`
- **2021-05-19** From committee: Do pass. To Consent Calendar. (Ayes 15. Noes 0.) (May 19). `committee-passage, committee-passage-favorable`
- **2021-05-20** Read second time. Ordered to Consent Calendar. `reading-1, reading-2`
- **2021-05-27** Read third time. Passed. Ordered to the Senate. (Ayes 75. Noes 0. Page 1656.) `passage, reading-1, reading-3`
- **2021-05-28** In Senate. Read first time. To Com. on RLS. for assignment. `reading-1`
- **2021-06-09** Referred to Com. on N.R. & W. `referral-committee`
- **2021-07-05** In committee: Set, first hearing. Hearing canceled at the request of author.
- **2022-06-13** From committee chair, with author's amendments: Amend, and re-refer to committee. Read second time, amended, and re-referred to Com. on N.R. & W. `amendment-introduction, amendment-passage, reading-1, reading-2, referral-committee`
- **2022-06-14** Withdrawn from committee.
- **2022-06-14** Re-referred to Com. on RLS. `referral-committee`
- **2022-06-16** Re-referred to Com. on E., U. & C. `referral-committee`
- **2022-06-27** In committee: Set, first hearing. Hearing canceled at the request of author.
- **2022-08-28** From committee chair, with author's amendments: Amend, and re-refer to committee. Read second time, amended, and re-referred to Com. on E., U. & C. `amendment-introduction, amendment-passage, reading-1, reading-2, referral-committee`
- **2022-08-30** Withdrawn from committee.
- **2022-08-30** Ordered to third reading.
- **2022-08-31** Read third time. Passed. Ordered to the Assembly. (Ayes 26. Noes 10. Page 5380.). `passage, reading-1, reading-3`
- **2022-08-31** In Assembly. Concurrence in Senate amendments pending.
- **2022-08-31** Senate amendments concurred in. To Engrossing and Enrolling. (Ayes 52. Noes 18.). `amendment-passage, committee-passage-favorable`
- **2022-09-12** Enrolled and presented to the Governor at 4 p.m.
- **2022-09-16** Approved by the Governor. `executive-signature`
- **2022-09-16** Chaptered by Secretary of State - Chapter 337, Statutes of 2022. `became-law`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/dee3a0b3-5004-497c-b0a3-1ff10cef94dc`. Confidence: reported (aggregated from official California legislature records).