republic-os/legislation/us/states/ca/20192020/ab-293.md

---
type: "Bill"
title: "Greenhouse gases: offset protocols."
description: "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. The act requires the state board 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 authorizes the state board to include the use of market-based compliance mechanisms."
jurisdiction: "us/states/ca"
legislature: "California Legislature"
session: "20192020"
identifier: "AB 293"
citation: "California AB 293 (20192020)"
classification: ["bill"]
subjects: ["Greenhouse gases: offset protocols."]
status: "enacted"
primary_sponsors: ["Eduardo Garcia"]
version_count: 6
action_count: 21
vote_count: 5
first_action: "2019-01-28"
last_action: "2019-07-12"
source: "openstates"
source_identifier: "ocd-bill/05bdf94f-37fa-4944-be18-4cb8e8a9c7b8"
source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=201920200AB293"
source_hash: "62ffc23b082e4ece5f9453a3003c1ebdfff9d5655e0f9406407ababd69a7a36e"
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 293 (20192020) — Greenhouse gases: offset protocols.

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. The act requires the state board 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 authorizes the state board to include the use of market-based compliance mechanisms.

## Version chain

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

1. **01/28/19 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201920200AB293&version=20190AB29399INT)
2. **02/26/19 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201920200AB293&version=20190AB29398AMD)
3. **04/02/19 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201920200AB293&version=20190AB29397AMD)
4. **07/12/19 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201920200AB293&version=20190AB29395CHP)
5. **AB293** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=201920200AB293)
6. **07/05/19 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201920200AB293&version=20190AB29396ENR)

## Votes

- Do pass, but first be re-referred to the Committee on [Appropriations] — **7–0** (pass) · upper
- AB 293 Eduardo Garcia Consent Calendar Second Day — **76–0** (pass) · lower
- 3rd Reading AB293 Eduardo Garcia By Allen — **30–0** (pass) · upper
- Do pass and be re-referred to the Committee on [Appropriations] with recommendation: To Consent Calendar — **11–0** (pass) · lower
- Do pass. To Consent Calendar. — **18–0** (pass) · lower

## Sponsors

- Eduardo Garcia — primary (person)

## Timeline

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

- **2019-01-28** Read first time. To print. `reading-1`
- **2019-01-29** From printer. May be heard in committee February 28.
- **2019-02-07** Referred to Com. on NAT. RES. `referral-committee`
- **2019-02-26** From committee chair, with author's amendments: Amend, and re-refer to Com. on NAT. RES. Read second time and amended. `reading-1, reading-2, amendment-passage, amendment-introduction`
- **2019-02-27** Re-referred to Com. on NAT. RES. `referral-committee`
- **2019-03-26** From committee: Do pass and re-refer to Com. on APPR. with recommendation: To Consent Calendar. (Ayes 11. Noes 0.) (March 25). Re-referred to Com. on APPR. `committee-passage-favorable, committee-passage, referral-committee`
- **2019-04-02** From committee chair, with author's amendments: Amend, and re-refer to Com. on APPR. Read second time and amended. `reading-1, reading-2, amendment-passage, amendment-introduction`
- **2019-04-03** Re-referred to Com. on APPR. `referral-committee`
- **2019-04-24** From committee: Do pass. To Consent Calendar. (Ayes 18. Noes 0.) (April 24). `committee-passage-favorable, committee-passage`
- **2019-04-25** Read second time. Ordered to Consent Calendar. `reading-1, reading-2`
- **2019-05-02** Read third time. Passed. Ordered to the Senate. (Ayes 76. Noes 0. Page 1473.) `passage, reading-3, reading-1`
- **2019-05-02** In Senate. Read first time. To Com. on RLS. for assignment. `reading-1`
- **2019-05-16** Referred to Com. on EQ. `referral-committee`
- **2019-06-05** From committee: Do pass and re-refer to Com. on APPR. (Ayes 7. Noes 0.) (June 5). Re-referred to Com. on APPR. `committee-passage-favorable, committee-passage, referral-committee`
- **2019-06-24** From committee: Be ordered to second reading pursuant to Senate Rule 28.8. `committee-passage, reading-2`
- **2019-06-25** Read second time. Ordered to third reading. `reading-1, reading-2`
- **2019-07-05** Read third time. Passed. Ordered to the Assembly. (Ayes 30. Noes 0. Page 1955.). `passage, reading-3, reading-1`
- **2019-07-05** In Assembly. Ordered to Engrossing and Enrolling. `committee-passage`
- **2019-07-09** Enrolled and presented to the Governor at 10:30 a.m.
- **2019-07-12** Approved by the Governor. `executive-signature`
- **2019-07-12** Chaptered by Secretary of State - Chapter 85, Statutes of 2019.

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/05bdf94f-37fa-4944-be18-4cb8e8a9c7b8`. Confidence: reported (aggregated from official California legislature records).