MassDEP Emissions Inventories

The agency prepares inventories on a periodic basis under the federal Clean Air Act and the Massachusetts Global Warming Solutions Act.

Table of Contents

Proposed 2nd Addendum to 2021 Update of Statewide Greenhouse Gas (GHG) Emissions Baseline

Clean Air Act Emissions Inventories

Diesel Particulate Matter Inventories

Greenhouse Gas Baseline, Inventory & Projection