republic-os/legislation/us/states/ca/20152016/sb-1464.md

---
type: "Bill"
title: "California Global Warming Solutions Act of 2006: greenhouse gas emissions reduction."
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 adopt a statewide greenhouse gas emissions limit equivalent to the statewide greenhouse gas emissions level in 1990 to be achieved by 2020, and to adopt rules and regulations in an open public process to achieve the maximum technologically feasible and cost-effective greenhouse gas emission reductions."
jurisdiction: "us/states/ca"
legislature: "California Legislature"
session: "20152016"
identifier: "SB 1464"
citation: "California SB 1464 (20152016)"
classification: ["bill"]
subjects: ["California Global Warming Solutions Act of 2006: greenhouse gas emissions reduction."]
status: "enacted"
primary_sponsors: ["De León"]
version_count: 5
action_count: 23
vote_count: 7
first_action: "2016-02-19"
last_action: "2016-09-26"
source: "openstates"
source_identifier: "ocd-bill/4cff6ae4-45dd-45c3-8020-66453d345f63"
source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=201520160SB1464"
source_hash: "5175c0d46fc0be8693d7dee75ee7aa6f60255269a8f1a0cc9d9b1dafc86ba0ca"
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 SB 1464 (20152016) — California Global Warming Solutions Act of 2006: greenhouse gas emissions reduction.

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 adopt a statewide greenhouse gas emissions limit equivalent to the statewide greenhouse gas emissions level in 1990 to be achieved by 2020, and to adopt rules and regulations in an open public process to achieve the maximum technologically feasible and cost-effective greenhouse gas emission reductions.

## Version chain

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

1. **02/19/16 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201520160SB1464&version=20150SB146499INT)
2. **04/11/16 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201520160SB1464&version=20150SB146498AMD)
3. **09/26/16 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201520160SB1464&version=20150SB146496CHP)
4. **SB1464** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=201520160SB1464)
5. **09/02/16 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201520160SB1464&version=20150SB146497ENR)

## Votes

- Do pass — **5–0** (pass) · upper
- 3rd Reading SB1464 De León — **26–5** (pass) · upper
- Do pass. — **12–1** (pass) · lower
- Placed on suspense file — **6–0** (pass) · upper
- Do pass and be re-referred to the Committee on [Appropriations] — **7–1** (pass) · lower
- SB 1464 De León Senate Third Reading By GOMEZ — **72–3** (pass) · lower
- Do pass, but first be re-referred to the Committee on [Appropriations] — **7–0** (pass) · upper

## Sponsors

- De León — primary (person)

## Timeline

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

- **2016-02-19** Introduced. To Com. on RLS. for assignment. To print. `introduction`
- **2016-02-22** From printer. May be acted upon on or after March 23.
- **2016-02-22** Read first time. `reading-1`
- **2016-03-10** Referred to Com. on E.Q. `referral-committee`
- **2016-04-11** From committee with author's amendments. Read second time and amended. Re-referred to Com. on E.Q. `referral-committee, reading-2, amendment-passage, committee-passage, reading-1`
- **2016-04-21** From committee: Do pass and re-refer to Com. on APPR. (Ayes 7. Noes 0. Page 3645.) (April 20). Re-referred to Com. on APPR. `referral-committee, committee-passage-favorable, committee-passage`
- **2016-04-29** Set for hearing May 9.
- **2016-05-09** May 9 hearing: Placed on APPR. suspense file.
- **2016-05-20** Set for hearing May 27.
- **2016-05-27** From committee: Do pass. (Ayes 5. Noes 0. Page 4011.) (May 27). `committee-passage-favorable, committee-passage`
- **2016-05-27** Read second time. Ordered to third reading. `reading-2, reading-1`
- **2016-05-31** Read third time. Passed. (Ayes 26. Noes 5. Page 4060.) Ordered to the Assembly. `reading-3, passage, reading-1`
- **2016-06-01** In Assembly. Read first time. Held at Desk. `reading-1`
- **2016-06-06** Referred to Com. on NAT. RES. `referral-committee`
- **2016-06-28** From committee: Do pass and re-refer to Com. on APPR. (Ayes 7. Noes 1.) (June 27). Re-referred to Com. on APPR. `referral-committee, committee-passage-favorable, committee-passage`
- **2016-08-03** August 3 set for first hearing. Placed on APPR. suspense file.
- **2016-08-12** From committee: Do pass. (Ayes 12. Noes 1.) (August 11). `committee-passage-favorable, committee-passage`
- **2016-08-15** Read second time. Ordered to third reading. `reading-2, reading-1`
- **2016-08-25** Read third time. Passed. (Ayes 72. Noes 3. Page 6270.) Ordered to the Senate. `reading-3, passage, reading-1`
- **2016-08-30** In Senate. Ordered to engrossing and enrolling.
- **2016-09-08** Enrolled and presented to the Governor at 5 p.m.
- **2016-09-26** Approved by the Governor. `executive-signature`
- **2016-09-26** Chaptered by Secretary of State. Chapter 679, Statutes of 2016.

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/4cff6ae4-45dd-45c3-8020-66453d345f63`. Confidence: reported (aggregated from official California legislature records).