Air and climate
Air permits, emissions limits, greenhouse gas programs such as RGGI, and building performance rules. What changed, the rules that apply and the dates ahead for projects in New Jersey, New York, Connecticut and Pennsylvania.
Latest briefings
- MediumNew York
New York City reports 95% of properties filed under building emissions law; stricter limits start 2030
The Department of Buildings' first-year report on Local Law 97 shows 95% of large buildings' owners filed for 2024 and 95% of Article 320 filers met their limit. Owners that did not file or exceeded limits face notices and penalties; the 2030 limits are stricter.
LocalAir & climate - MediumNew York
New York finalizes tighter carbon cap on power plants, effective January 1, 2027
DEC and NYSERDA adopted amendments, effective January 1, 2027, that lower the CO2 allowance budget, add a second cost-containment tier, raise the minimum reserve price and end offsets. The changes bear on electricity generating units and on projects whose economics depend on them.
- MediumNew York
New York defers greenhouse gas reporting enforcement dates after May climate-law amendments
DEC will not enforce several 2026 and 2027 reporting dates in its mandatory emissions rule while it develops amendments to that rule. The state's climate act was amended on May 26, 2026; published summaries report that the deadline for implementing regulations moved to December 31, 2028.
FinalAir & climate - HighNew York
New York's all-electric rule for new buildings survives federal appeal; start date unconfirmed
On June 30, 2026 the Second Circuit rejected a federal-preemption challenge to the State's ban on fossil-fuel equipment in new buildings. A court-approved stipulation suspends the State's rules until 120 days after the Second Circuit's mandate if no certiorari petition is timely sought; the mandate date and any petition were not confirmed.
In courtAir & climateEnergy & grid
Rules 10
- Federal · Clean Air Act § 107(d), 42 U.S.C. 7407(d); 91 Fed. Reg. 63516 (Oct. 6, 2026); Docket EPA-HQ-OAR-2024-0078Area designations under the 2024 annual fine-particle (PM2.5) standard
- Federal · 40 CFR 61.145Asbestos notice before demolition and renovation
- Federal · 40 CFR Part 745, Subpart ELead-safe renovation of pre-1978 housing and child-occupied buildings
- New York · ECL Article 19; 6 NYCRR Parts 201, 222, 227Air permits for generators and combustion sources
- New York · 10 NYCRR Subpart 4-1; 24 RCNY Ch. 8; NYC Admin Code 28-317.5Cooling tower Legionella rules
- New York · ECL Article 75; 6 NYCRR Part 253Mandatory greenhouse gas reporting
- New York · Local Law 154 of 2021; Admin. Code 24-177.1NYC all-electric new buildings (Local Law 154)
- New York · NYC Admin. Code 28-320 (Local Law 97 of 2019)NYC building emissions limits (Local Law 97)
- New York · 1 RCNY 5000-01 and 101-07 (proposed amendments)NYC energy code filing rule update (proposed)
- New York · 6 NYCRR Part 494Refrigerant limits for new cooling systems
Coming up
- New York · Compliance deadlineAnnual cooling tower certification due
- Federal · Report duePM2.5 designations: states' additional information requested
- New York · Takes effectNYC cooling tower law (Chapter 206 of 2026) takes effect
- Federal · Comments closePM2.5 designations: comments close
- Federal · Hearing or decisionPM2.5 designations: EPA's court-ordered deadline for final designations