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 June 24, 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.