Briefings
What changed in environmental, land-use and permitting rules for development in New Jersey, New York, Connecticut and Pennsylvania: what happened, who is affected and the next date that matters.
- 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