We are building a powerful statewide movement to end the destructive dominance of the fossil fuel industry and transition to a just, equitable, and clean energy economy.

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There are many ways to fight for climate justice. Find out how you can get involved.

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Find Your Local Node

We have local member-led chapters we call “nodes”. Find one near you.

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Our Working Groups

Working groups are spaces for 350 Mass volunteers interested in special topic areas to meet, learn, and strategize.

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Power Lines: News from the Mass climate movement

Sign the Bill, Baker
Aug 04, 2022

Sign the Bill, Baker

Dear Governor Baker, On behalf of 350 Massachusetts (“350 Mass”) – a statewide, grassroots, member-led network committed to a just transition for a climate-safe world – I ask that you...
Hungry for a Future
Apr 05, 2022

Hungry for a Future

From March 15-March 22, 6 members of Climate Courage, the direct action wing of 350 Mass, undertook a hunger strike to stop MMWEC project 2015a,...

Upcoming Events

Our calendar has information on our working group meetings, webinars, actionars, special events and campaign actions.

For node meetings, see our node calendar.

Upcoming Events


Peabody Peaker Plant Rally and March

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11:00 AM (EDT)
Danvers, MA
We must stop the new Peabody peaker plant. The plan: Rally on Danversport Bridge, then march 1/2 mile to Die-In at the plant site. When: Tuesday, September 27th at 11am....

Put Your Money Where Your Heart Is

Oct 17, 2022
7:00 PM - 8:00 PM (EDT)
Worried your bank funds climate chaos? Wonder if your credit card is really green? Want to find better alternatives?