The State Organization Index provides an alphabetical listing of government organizations, including commissions, departments, and bureaus.
Top-requested sites to log in to services provided by the state
The Executive Office of Energy and Environmental Affairs serves:
In July 2017, EEA began migrating its website content into this new Mass.gov format. While this process is underway, some pages will remain on the classic site. See all EEA programs and services on classic Mass.gov.
Learn about heating your home, improving energy efficiency, investing in renewable energy, and more.
Massachusetts leads the nation in efforts to protect our climate and reduce emissions. Find the information you need to keep our land, air, and water clean for future generations.
Find information about state parks, programs and events, and recreational activities across the Commonwealth.
Explore the great outdoors in Massachusetts. Here you’ll find the information you need to explore hunting and fishing opportunities.
Before you set sail in your boat or hit the trails on your off-road vehicle or snowmobile, learn about registration, safety information, and more.
State Surpasses 2,000 Megawatts of Installed Solar Capacity
Funding Will Produce Design and Construction Documents for Trail Construction
Funding Will Plant 2,400 Trees in Environmental Justice Neighborhoods