US-NY-S3456Pending (passed NY Senate 10 February 2026; before NY Assembly)

New York Climate Corporate Data Accountability Act (Senate Bill S3456 / Assembly companion A4282)

United States (New York) · New York State Department of Environmental Conservation (DEC) (proposed)

New York legislation modeled on California SB 253 requiring large companies doing business in the state to disclose Scope 1, 2, and 3 emissions on a phased schedule with independent verification. Passed the NY Senate in February 2026 and is before the Assembly.

Category: Mandatory GHG emissions disclosure
Enforcement: Mandatory if enacted
Effective date: If enacted: regulations by 31 December 2026; Scope 1+2 reporting from 2027; Scope 3 from 2028
Covered entities: US public and private companies with annual revenues >$1bn doing business in New York
Notes: Not yet enacted. Track Assembly action and Governor's signature before treating as binding.

Sources

https://www.nysenate.gov/legislation/bills/2025/S3456 ↗
Primary regulator or official text

Verified 2026-04-30

Related regulations

US-CA-SB253

California SB 253 – Climate Corporate Data Accountability Act

United States (California) · California Air Resources Board (CARB)

Enacted (rulemaking in progress)

California law requiring large companies doing business in the state to disclose Scope 1, 2, and 3 emissions on a phased schedule. CARB is finalizing implementation rules.

Enforcement: Mandatory
Effective date: First Scope 1 & 2 reports due 2026; Scope 3 from 2027
Covered entities: US companies doing business in California with revenue >$1bn

Primary source ↗Verified 2026-04-30