New York Pushes Back Economy-Wide Emissions Target from 2030 to 2040

New York Governor Kathy Hochul has reached a budget agreement with state legislators that replaces the state's existing 2030 economy-wide greenhouse gas emissions reduction goal with a new 2040 target. The deal also pushes back the deadline for New York's environmental regulator to adopt emissions-reduction regulations from 2024 to 2028, and sets a new interim reduction goal of 60% by 2040.

New York's 2019 Climate Act mandated at least 85% economy-wide emissions reductions by 2050 and an interim target of 40% by 2030. The law required the state's Department of Environmental Conservation to adopt enforcement regulations by 2024, which the state did not complete. In late 2025 the Supreme Court of New York ordered DEC to issue the regulations by early 2026 unless the law was changed. The new budget deal sets a requirement for regulations to be introduced by 2028, tied to a 60% emissions reduction by 2040, while retaining the 2050 net-zero goal.

Hochul argued that the existing timelines had become unachievable without imposing significant costs on businesses and residents, citing geopolitical headwinds including what she described as a federal assault on renewable energy tax incentives under the Trump administration. The deal also changes the greenhouse gas accounting methodology from a 20-year global warming potential standard to a 100-year standard, which Hochul said is more commonly used internationally. Critics argue this change effectively makes achievement of emissions targets easier by lowering the measured potency of methane.

The revision of New York's climate targets represents one of the most significant rollbacks of US state climate legislation in recent years and may influence other states assessing the feasibility of their own near-term emissions reduction goals. Environmental advocates are expected to challenge the changes, arguing that delaying regulatory action by four years and switching to a 100-year methane accounting standard undermines meaningful progress. The Governor's office maintained that the state's commitment to a clean energy future remains intact despite the revised timelines.

Key figure — New emissions regulation deadline moved to 2028, target revised to 60% reduction by 2040