Find your people, realize your power, and win climate justice with 350 Seattle.
In these times of deep political unrest and uncertainty, we need each other to stay grounded, to stay strong, and to keep going.
350 Seattle's work is as vital as ever. We challenge entrenched systems of power, advocate for intersectional solutions to the climate crisis, and fight for our freedom to thrive in a just and sustainable world.
This movement needs you – the more people we have taking action, the more power we have.
What does it mean to be a member?
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You are in alignment with our mission, vision, values, and Points of Unity.
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You take at least three actions with 350 Seattle per year: come to monthly meetings or events, sign a petition, show up to a direct action, call a representative or councilmember, give testimony, join a campaign or evergreen team (Book Club, Welcome Team), etc.
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You pay dues. As a member, you give because you believe our work is important. Membership dues are on a sliding scale listed below with some guidance based on income. We are working to build a cross-class, multicultural, multi-racial, and multi-generational movement for climate justice. We invite you to give at the level that works best for you.
Why become a member?
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You want to win climate justice — not just once, but again and again. You want to grow an unstoppable movement that delivers bold solutions, slashes climate pollution, and drives real, systemic change.
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Find your people. Find your political home. At 350 Seattle, we've built a space where deep, lasting relationships grow—connections that sustain us through more than just a single campaign.
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Realize your power. At 350 Seattle, we provide the tools, community, and support you need to step into leadership, take bold action, and create the change you want to see in the world. We're here to help you stand fully in your power.
You'll receive a 350 Seattle membership card and invitations to members-only events!
Suggested Dues Levels
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If you make $40k or less per year: $5/month or $60/year
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If you make $40-80k and/or have some wealth/savings: $12/month or $144/year
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If you make $80-100k and/or have moderate wealth/savings: $20/month or $240/year
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If you make $100-120k and/or have moderate wealth/savings: $35/month or $420/year
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If you make $120k+ and/or have significant wealth/savings: $50/month or $600/year
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If you are giving from wealth or have access to significant family resources: $100/month or $1200/year
Already a monthly sustainer?
This form is for you if you want to start a NEW recurring commitment to count as your membership dues! If you already contribute to 350 Seattle monthly and want us to count that as your dues, please fill out this simple form to opt in as a member.