GHG Emission Reduction


(as amended by Local Law 147 of 2019): Requires buildings to adhere to energy efficiency standards and meet greenhouse gas emission limits by 2024. As part of the Climate Mobilization Act, Local Law 97/147 is intended to play a pivotal role in the City’s mission to reduce 40% of GHG emissions produced by covered buildings by 2030 and 80% of city-wide emissions by 2050 (80×50).

Helpful Links

Local Law 97 Statute

NYC’s first Greenhouse Gas Emission Reporting law.

Local Law 147 Statute

NYC’s amended Carbon Emission Limits law. Introduces details on Carbon Limits, Adjustments & Deductions.

Getting Started with LL97

General information from the Department of Buildings regarding Local Law 97/147. Includes a brief Q&A section.

Greenhouse Gas Emissions Reporting

Includes details on emission limits (for both 2024-2029 and 2030-2034), occupancy groups, extensions, violations, and more.

BE-Ex Affordable Housing FAQ

The Building Energy Exchange’s FAQ regarding LL97 compliance for affordable or rent-regulated housing.

Local Laws Map

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