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

IPCC Speaks Truth to the World
Sep 13, 2021

IPCC Speaks Truth to the World

The recent report of the Intergovernmental Panel on Climate Change (IPCC) is a valuable wake-up call. While the climate community finds few breakout...
2021 Mass Democratic Party Platform
Aug 03, 2021

2021 Mass Democratic Party Platform

The Democratic Party is starting its platform writing process this summer in anticipation of next year’s 2022 nominating convention and primaries and state elections. It is a chance...
Recess & Reconciliation
Aug 02, 2021

Recess & Reconciliation

These days, it is tempting to be pessimistic about the future, especially when you spend every day contemplating the worsening climate. The CO2 concentration in the atmosphere was...

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

September
22
Wednesday

Climate Cafe

Sep 22, 2021
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? Now you do! 350 Mass has launched our Climate Cafes, where these...
September
27
Monday

The Fair Share Amendment: Why it Matters and How You Can Help

Sep 27, 2021
7:00 PM - 8:30 PM (EDT)
Zoom
The Massachusetts Fair Share Amendment–or “millionaires tax”—will be a referendum on the ballot in November 2022.  If it passes, our state will be able to make the big...

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