Innovate. Collaborate. Build the Future of Climate Tech.
Dates: May 7–9, 2025 (Wednesday to Friday)
Location: Seattle Climate Innovation Hub,
downtown at University & 4th
The Seattle Climate Hackathon brings together a diverse group—from students to experienced developers—for a multi-day challenge to develop innovative solutions to today’s climate problems, positioning Seattle as a leading hub for climate innovation.
• In-Person Only: Event held at 9Zero in Seattle.
• Free to Participate: No cost, removing barriers to entry.
Register individually through our registration page . You will complete a short questionnaire to help us evaluate your skills and interests.
• Registration Deadline: April 23 (2 weeks before Hackathon)
• No Late or On-Site Sign-ups Allowed.
Participants will form teams prior to the event. After your registration is confirmed:
• You’ll gain access to a matchmaking spreadsheet with teams looking for hackers, and hackers looking for teams.
• Join our dedicated Slack community for online matchmaking and collaboration.
• Attend the pre-hackathon networking event at 9Zero to finalize teams.
Recommended team size: 3–6 members (7 maximum.)
Your project must represent a new idea or a significant new improvement to an existing solution. Enhancing existing products or ideas is acceptable, provided the addition is substantial.
Project Ideas
We'll be sharing more project ideas soon!
We’re open to any climate related project, as long as it has the potential to create an impact on climate, and it's feasible that you can create and present an MVP at the Hackathon.
All technological tools, languages, frameworks, and cloud services are permitted. Use AI extensively to accelerate your project’s development. We’ll provide suggested toolkits and resources.
Projects must be submitted by noon, Friday, May 9, via link to online MVP or slide deck.
Judging Criteria:
Detailed judging rubrics will be shared prior to the hackathon.
Teams may be disqualified for:
Exciting prizes will be announced soon, including potential categories such as “Best Student Project” and multiple innovation awards.
Volunteer & Sponsorship Opportunities
Support innovation by volunteering or sponsoring our event:
Fill this form to get involved as a volunteer, coach, or sponsor.
We have the following IP guidelines which we feel are common sense and aligned with maximizing the entrepreneurial potential of the event:
Let us know if any of this seems wrong or would limit your participation. We want to encourage innovation, and don’t want IP issues to be a barrier for anyone to participate!
Tech professionals interested in climate, startup teams, climate professionals, and students passionate about climate action.
No, travel reimbursements are currently unavailable.
That's OK! Join our mailing list and we'll share updates on the Hackathon.
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