Halcyon Climate Fellowship 2025 ($10K in AWS credits and $10K equity-free stipend)

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Applications are now open for Halcyon Climate Fellowship Program to bring together entrepreneurs from across the U.S. and the globe, empowering them to address climate mitigation, adaptation, and resilience.

The program will bring together entrepreneurs from across the U.S. and the globe, empowering them to address climate mitigation, adaptation, and resilience. Founders will receive expert training, critical resources to accelerate their ventures, and an 8-week in-person residency at Halcyon in Washington, DC.

Halcyon Climate Fellowship Sectors

Solutions addressing climate mitigation, adaption, and resilience, including but not limited to:

Renewable energy generation and storage
Green building technologies
Climate data and analytics
Climate-smart agriculture and food systems
WaterTech
Blue economy

Program Structure

The cohort is selected of up to 8 ventures from across the U.S. and the globe
Ventures receive training in Halcyon’s methodology on product-market fit, investment readiness, and leadership
The program is delivered through:
A virtual kickoff meeting
An 8-week, in-person residency week at Halcyon in Washington, DC

Halcyon Climate Fellowship Benefits

$10K in Amazon Web Services (AWS) credits
$10K equity-free stipend per venture
Professional advisors
Workshops with experts in leadership development, investment readiness, and product-market fit
Networking with investors and varied stakeholders in climate
Pro bono legal support
A global community of nearly 600 impact-driven entrepreneurs
And more

Eligibility Criteria for Halcyon Climate Fellowship

We’re looking for (for-profit) startups that are building scalable solutions that are tackling challenges related to climate mitigation, adaptation, and resilience.

Location: Global
Stage: Must have a Minimum Viable Product (MVP) that has the potential to scale. Must be working on your venture full-time.
Team:
- May apply with up to one co-founder
- Applicant must be the CEO and/or hold primary decision-making power
- Must be fluent in English
- Must be at least 21 years of age by the start of the program
Program Engagement: Must be able to participate in all activities and programming sessions
Impact: Must be developing a product and venture which contributes towards 1 or more of the UN’s 17 SDGs

In addition to eligibility, Halcyon scores each application based on 4 criteria: Impact, Scalability, Innovation, and Talent.

Selection Criteria

Impact
- To what extent will the solution, if scaled, have a meaningful impact on society and/or the environment?
Scalability
- Could this venture scale to reach hundreds of thousands or millions of users in a 5-10 year time horizon?
Innovation
- Is the solution a novel approach to tackling the issue in their context?
Talent
- Is the team uniquely qualified to tackle the challenges they’ve identified?