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.

Take Action

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

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


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?  


Climate Café October 2022

Oct 19, 2022
7:00 PM - 8:30 PM (EDT)
Would you like to have a supportive place to talk over your concerns about climate change or climate activism?  You do!  350 Mass has Climate Cafés that welcome these discussions.  This...