Progress Towards Reducing Greenhouse Gas Emissions | Mass.gov

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The Global Warming Solutions Act (GWSA) of 2008 created a framework for reducing heat-trapping emissions to levels that scientists believe give us a reasonable chance of avoiding the worst effects of global warming. It requires a 25% reduction in greenhouse gas (GHG) emissions from all sectors of the economy below the 1990 baseline emission level in 2020 and at least an 80% reduction in 2050.

Top tasks for Progress Towards Reducing Greenhouse Gas Emissions

GWSA Implementation Overview

Public Meetings

All other tasks for Progress Towards Reducing Greenhouse Gas Emissions

Read GWSA 10-Year Progress Report

MA GHG Emission Trends

Climate Indicators

Building Fuels and Energy Efficiency

Cross-Sector Policies

Energy Generation and Distribution

See all 9 of What you need to know

Upcoming Events

April 25, 2019 Meeting of the GWSA Implementation Advisory Committee (IAC)

100 Cambridge Street, Conference Room C-D, Boston, MA 02114

Thursday, April 25, 2019

10 a.m. - 12 p.m.
June 27, 2019 Meeting of the GWSA Implementation Advisory Committee (IAC)

100 Cambridge Street, Conference Room C-D, Boston, MA 02114

Thursday, June 27, 2019

2 p.m. - 4 p.m.

See all events

Reducing GHG Emissions Under Section 3(d) of the Global Warming Solutions Act

Massachusetts Updated Clean Energy and Climate Plan for 2020 (PDF 4.05 MB)

Massachusetts GWSA 5-Year Progress Report (PDF 3.96 MB)

GWSA 10-Year Progress Report (PDF 9.49 MB)