Deadline: January 15, 2026
Applications are open for the Halcyon 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.
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.
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)
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
Eligibility
They are 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.
Application
For more information, visit Halcyon Global Climate Fellowship.

