For AI agents: read the machine-readable documentation index at /llms.txt or the single-file full reference at /llms-full.txt.

CLIMATE PROTECTION AND GREEN ECONOMY ACT

M.G.L. pt. Part I, tit. Title II, ch. c. 21N
in effect

M.G.L. c. 21N, § 1 Definitions

M.G.L. c. 21N, § 2 Regulations for reporting and verifying statewide greenhouse gas emissions; review; inventory

M.G.L. c. 21N, § 3 Projected 2020 business as usual level; adoption of statewide greenhouse gas emissions limits; levels and limits for electric sector; establishment of declining annual aggregate limit

M.G.L. c. 21N, § 3A Adoption of sector-based statewide greenhouse gas emissions sublimits

M.G.L. c. 21N, § 3B Goal for succeeding plan's necessary contribution to meeting each statewide greenhouse gas emissions limit and sublimit

M.G.L. c. 21N, § 4 Adoption of 2020 statewide greenhouse gas emissions limit; relevant information; evaluation of potential cost and benefits; de minimis threshold; emission reduction; public hearings; statement; interim greenhouse gas emissions limits

M.G.L. c. 21N, § 5 Contents of roadmap plan; filing

M.G.L. c. 21N, § 6 Establishment of emissions reduction programs; promulgation of regulations; protection of low and moderate-income persons and environmental justice populations

M.G.L. c. 21N, § 7 Market-place compliance mechanisms; regulations; out-state cooperation; enforcement

M.G.L. c. 21N, § 8 Advisory committee

M.G.L. c. 21N, § 9 Applicability of chapter

M.G.L. c. 21N, § 10 Preparation for impact of climate change and mitigation damage from extreme weather events; statewide adaptation strategy; vulnerability assessments; climate change coordinators

M.G.L. c. 21N, § 11 Municipal vulnerability preparedness grant program

M.G.L. c. 21N, § 12 Alternative compliance payment as debt; lien; priority of lien; civil action; waiver or release; security requirements

Source: Massachusetts General Court (malegislature.gov)URL: https://malegislature.gov/Laws/GeneralLaws/PartI/TitleII/Chapter21NFetched: 10/20/2026