Learn more about our virtual Climate Circle accelerator, open to Harvard students, faculty, staff, and alumni building climate startups.
Calling all Harvard climate founders! Join a community of climate innovators and gain access to expert mentorship, tailored resources, and a global network. Harvard student, alumni, faculty, or staff? This is for you.
The Harvard Climate Entrepreneurs Circle is now accepting applications for its sixth cohort! This selective, year-long accelerator supports high-potential climate ventures with expert office hours, pro-bono legal assistance, sales coaching, VC pitch-deck preparation, and more. Previous ventures, including XCharge, Rarefied, and Subject to Climate, have leveraged this program to refine their strategy, secure key partnerships, and scale their impact.
HEAR FROM OUR VENTURES
"The Climate Circle didn’t just accelerate our growth—it set us on a trajectory for long-term success.”
“One of the most impactful aspects was the opportunity to collaborate with like-minded and highly skilled individuals early on."
“Being selected for the Climate Circle was instrumental in refining our focus and how we present our value to partners.”
APPLICATION TIMELINE
All applications must be received by May 12, 2026, for consideration. Learn more and apply.
WHO SHOULD APPLY
Eligible ventures must demonstrate one or more milestones: active users, written partnerships, funding or donations, or established intellectual property.
ACCESSIBILITY STATEMENT
The Harvard Innovation Labs welcomes attendees of all abilities to our events, both in person and online.
Requests for American Sign Language interpreters and/or CART providers should be made at least two weeks in advance, if possible. Please note that the University will make every effort to secure services, but that services are subject to availability.
If you would like to request accommodations or have questions about physical access, please contact i-lab@harvard.edu in advance of the event.
FUTURE COMMUNICATIONS
Please note: By registering, you agree to receive emails about this event and future communications from the Harvard Innovation Labs.
