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Become a member to show your support for 350 Mass. Any contribution of $35 or more (or any recurring contribution) makes you a member for a year. Consider amplifying the impact of your climate action by donating to make this movement stronger!

All donations are tax deductible. Our tax identification number is 47-1015198.

If you would prefer to send us a check, you can make your check out to Better Future Project. Mail to: Better Future Project, 30 Bow Street, Cambridge, MA 02138. All donations may be used to fund any Better Future Project program. Better Future Project now accepts gifts in the form of appreciated stock of mutual funds, see instructions here.

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