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Climate Startup Accelerators 2026
Climate tech is a growing focus for accelerator programs in 2026. Google for Startups runs climate-focused programs. Y Combinator and Techstars have funded climate tech companies. Several accelerators are increasingly looking for startups addressing sustainability, clean energy, and carbon reduction.
16
Programs Available
$100K-$2M
Investment Range
Global
Reach
16 programs available for Climate founders
#1 Open
Y Combinator
Accelerator
$500,000
7%
Pre-seed / Seed
Mountain View, CA
Industry-agnosticAISaaSFintech
Rolling batches (Winter, Spring, Fall)
View program
#2 Open
Techstars
Accelerator
$220,000
5%
Pre-seed / Seed
New York City, NY
Industry-agnosticAISaaSFintech
September 14, 2026 (NYC Fall 2026)
View program
#3 Open
Antler
Pre-seed Accelerator
$400,000
9%
Idea / Pre-seed
New York, NY / Austin, TX
Industry-agnosticAISaaSFintech
July 1, 2026 (US cohorts)
View program
#4 Open
Google for Startups Accelerator
Corporate Accelerator
Equity-free (no direct investment)
0%
Seed / Series A
Global
AICloudMachine LearningDeveloper Tools
Rolling applications (multiple programs per year)
View program
#5 Open
Entrepreneurs First
Pre-team Accelerator
Up to $250,000
Negotiated
Idea / Pre-seed
Bay Area, CA
Industry-agnosticAIDeep TechSaaS
August 30, 2026 (Bridge Residency)
View program
#6 Open
HAX (SOSV)
Accelerator
$250,000 - $550,000
7%
Pre-seed / Seed
Newark, NJ / Shenzhen, China
Developer ToolsClimateEnterpriseAI
Rolling applications (multiple cohorts)
View program
#7 Open
IndieBio (SOSV)
Accelerator
$250,000 - $525,000
8-12%
Pre-seed / Seed
San Francisco, CA / New York, NY
HealthClimateEnterpriseAI
June 15, 2027 (Batch 2027)
View program
#8 Open
Startupbootcamp
Accelerator
EUR 25,000
6-8%
Pre-seed / Seed
Multiple locations globally
FintechHealthEnterpriseSaaS
Rolling deadlines (varies by program)
View program
#9 Open
MassChallenge
Accelerator
Equity-free (up to CHF 1M in non-dilutive prizes)
0%
Idea / Pre-seed / Seed
Boston, MA / Switzerland / Mexico / Multiple locations
Industry-agnosticAISaaSFintech
March 4, 2027 (Switzerland 2027)
View program
#10 Open
Founders Factory
Accelerator
GBP 30,000 - GBP 250,000
5-10%
Pre-seed / Seed
London, UK / New York, NY / Africa
FintechHealthConsumerEnterprise
Rolling cohorts (multiple per year)
View program
#11 Open
Norrsken Accelerator
Accelerator
$50,000 - $150,000
0-5%
Idea / Pre-seed / Seed
Stockholm, Sweden / Kigali, Rwanda
ClimateHealthConsumerEnterprise
Rolling applications (annual cohorts)
View program
#12 Open
Techstars Anywhere
Accelerator
$220,000
5%
Pre-seed / Seed
Fully remote
Industry-agnosticAISaaSFintech
Rolling cohorts (multiple per year)
View program
#13 Open
Creative Destruction Lab
Mentorship Program
Equity-free mentorship (investment via partner funds)
0%
Pre-seed / Seed
Toronto, Canada / Calgary, Canada / Paris, France / Multiple global sites
AIHealthClimateEnterprise
Rolling applications (varies by site)
View program
#14 Open
Endeavor
Scale-up Program
No direct investment (access to investor network)
0%
Seed / Series A
Global
Industry-agnosticSaaSFintechConsumer
Rolling applications (continuous selection)
View program
#15 Open
Plug and Play Tech Center
Accelerator
$100,000 - $150,000 (optional, via PnP Ventures)
0%
Pre-seed / Seed
Sunnyvale, CA / 20+ global locations
FintechHealthEnterpriseAI
Rolling applications (year-round)
View program
#16 Open
Antler Brazil
Accelerator
$200,000 - $400,000
8%
Idea / Pre-seed
Sao Paulo, Brazil
Industry-agnosticAISaaSFintech
Rolling cohorts (multiple per year)
View program
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FAQ
Frequently Asked Questions
Common questions about Climate startup accelerators in 2026.