Become a member to show your support for 350 Mass Action. Anyone can join 350 Mass Action.  A donation of $20/year (or more!) or a recurring donation of any amount makes you part of our candidate endorsement process and a voting member of your local Chapter -- and also helps us cover our expenses!

As 350 Mass Action is a 501(c)(4) political organization, donations are not tax deductible. If you would prefer to send us a check, you can send your check to:
Better Future Action
30 Bow Street
Cambridge, MA 02138
Check memo line: 350 Mass Action