We are building a Mass movement for our climate

We organize from the Berkshires to Boston

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We advocate for climate justice on Beacon Hill

We collaborate with organizations across Massachusetts

We mobilize with marches and protests

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

Lessons of Black August
Aug 10, 2026

Lessons of Black August

On Thursday July 30th, more than a dozen advocacy organizations gathered on the steps of the Massachusetts State House to issue a report card grading the Legislature's performance on...
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