Global Climate Fellowship (2026)
Halcyon’s 2026 Global Climate Fellowship will serve founders across the world who are tackling pressing challenges in climate adaptation and resilience. Through a hybrid programming format, selected entrepreneurs will attend a one-week, in-person residency in Washington, DC, five virtual programming days, and a final one-week, in-person residency in Los Angeles, California.
Sectors
Solutions addressing climate adaptation and resilience, including but not limited to:
- Renewable and resilient energy systems and storage
- Adaptive infrastructure and green building technologies
- Climate intelligence and early-warning systems
- Climate-smart agriculture and food systems
- WaterTech (water security, resilient water systems, and more)
- Blue economy and coastal resilience
- Financial resilience to climate shocks (including, but not limited to, climate insurance)
- And more
Benefits
- $10K in Amazon Web Services, Inc. (AWS) credits
- $6K equity-free stipend per venture
- Workshops with experts in product-market fit, capital strategy, and leadership
- Professional advisors
- Networking with investors and varied stakeholders in climate in Washington, DC and Los Angeles, CA
- Access to Halcyon’s global community of 600+ founders
- Continued benefits after your program—see our Alumni page for more
Program Structure & Timeline
The final cohort is selected from 10 ventures across the globe. The program is delivered in a hybrid modality through a virtual kickoff meeting, two one-week, in-person residencies in the US, and four additional virtual programming days.
Founders receive training in Halcyon’s methodology on product-market fit, capital strategy, and leadership, as well as access to critical resources and connections to accelerate their ventures.
Timeline:
- December 8th, 2025: Application window opens
- January 20th, 2026: Last chance to submit your eligibility application to be considered for this application window! Halcyon team begins reviewing eligibility applications
- Mid-January, 2026: Halcyon team sends out invitational applications to select candidates on a rolling basis
- January 23rd, 2026: Invitational application deadline
- February 24-25th 2026: Virtual pitch days for finalists
- March 6th, 2026: Selected founders notified
- April 7th, 2026: Virtual Program Kickoff
- April 24th-May 1st, 2026: Residency Week #1 in Washington, DC
- May 20th 2026: Virtual Meeting #2
- June 17th, 2026: Virtual Meeting #3
- July 8th, 2026: Virtual Meeting #4
- August 12th, 2026: Virtual Meeting #5
- September 11th-September 18th, 2026: Residency Week #2 in Los Angeles, CA
Eligibility
We’re looking for for-profit startups building scalable solutions tackling pressing climate adaptation and resilience challenges across the globe.
- Location: Global
- Stage: Must have a working Minimum Viable Product (MVP) and a realistic potential to scale. Applicants must demonstrate early user feedback or evidence of early commercial validation, such as pilots, LOIs, or revenue.
- Team:
- May apply with up to one Co-Founder.
- Applicant must be the CEO or hold primary decision-making power.
- Must be fluent in English (programming will be in English).
- Must be at least 21 years of age by the start of the program.
- Program Engagement: Applicant(s) must commit to participating in all residencies, program activities, events, and in-person and virtual sessions.
- Impact: Must be developing a product and venture which contributes towards one or more of the UN’s 17 SDGs.
In addition, Halcyon scores each application based on four criteria: 1) Impact, 2) Scalability, 3) Innovation, and 4) Talent. For more on our eligibility criteria, visit our Applicants page.
Ready to Apply?
It’s now easier than ever to apply to Halcyon with our eligibility form. Fill out this eligibility form before January 15th, 2026 to be considered for our 2026 Global Climate Fellowship. If your eligibility application meets our criteria and is a fit for the program, you’ll be invited to complete a second-round, invitational application.
Interested in Halcyon, but not the right fit for our Global Climate Fellowship? Submit your eligibility form today, and our team will contact you when a fellowship opens that aligns with your venture.