Climate accelerator deadlines

15 climate programs, 2 with an open dated deadline. Full calendar · Fit quiz for climate.

ProgramLocationStatusDetails
Activate FellowshipUS (Berkeley, Boston, Houston, NYC, Anywhere) · remoteCloses Oct 30, 2026U.S. Cohort 2027: applications close Oct 30 at 12pm PT.
Cyclotron Road (Berkeley Lab)Berkeley, CACloses Oct 30, 2026Cohort 2027: apply by Oct 30, 2026.
HAX (SOSV)Newark, NJRollingInvests on a rolling basis, typically 2–3 teams per month.
IndieBio (SOSV)San Francisco / New YorkRollingRolling timeline with set deadlines that batch interviews (next batch date not published).
Google for Startups AcceleratorRegional cohorts (hybrid) · remoteClosed – next TBARegional cohorts; all 2026 regional deadlines checked have passed (see regional entries).
Google for Startups Accelerator: North America (AI for Energy)North America (hybrid) · remoteClosed – next TBA2026 applications closed Jun 30, 2026; next cohort not yet announced.
Breakthrough Energy FellowsUnconfirmedNot published
Catalyst Fund (BFA Global)Africa / AsiaNot published
Elemental ImpactHonolulu / San FranciscoNot published
Greentown LabsSomerville, MA / Houston, TXNot published
MassChallengeUnconfirmedNot published
MassChallenge SwitzerlandSwitzerlandNot publishedPage says applications open in September 2026; no closing date shown.
NewlabBrooklyn, NY / DetroitNot published
Techstars Alabama EnergyTechBirmingham, ALNot published
Third DerivativeUnconfirmedNot published
⏰ Remind me before deadlines Pick programs. We email you about 7 days before each one closes, plus when a new date gets announced.