Massachusetts LogoWelcome to the Sierra Club, the nation's oldest, largest and most effective grassroots environmental organization.

Here in Massachusetts, we have an over 45-year legacy of protecting the environment with successful legislative, advocacy, and educational campaigns. Please explore our website to learn about what we're working on, and how you can get involved to protect our Commonwealth’s natural resources.

With over 50,000 members and supporters in Massachusetts, most likely your friends and neighbors are already Sierra Club members. Our strength is in our numbers so please become a member or renew your membership today.  Please also consider volunteering – from making calls to writing letters to visiting legislators there is something for everyone, and every voice is critical.

Do Good and Go Solar with Sungevity and the Sierra Club!

SungevityWhen you go solar with the Sierra Club and Sungevity, you will save $750 upfront and Sungevity will send $750 to the Sierra Club Massachusetts Chapter.

Request a free solar iQuote and see what rooftop solar can do for your home today.