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    Top Sustainability Accelerators & VCs (2026)

    Browse sustainability startup programs and VCs with updated offers, deadlines, and funding for 2026.

    Updated Mar 2026

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    Found 26 investors & programs.

    Techstars Sustainability Paris Accelerator logo

    Techstars Sustainability Paris Accelerator

    We invest in early stage high-growth startups looking to build a better future thanks to technology.

    Techstars Sustainability Paris Accelerator: We invest in early stage high-growth startups looking to build a better future thanks to technology.. Accelerator, Venture Capital Firm. $20,000 for 6% available.
    Application open
    $20,000 for 6%
    Accelerator
    Venture Capital Firm
    Blue Startups logo

    Blue Startups

    Where East Meets West

    Blue Startups: Where East Meets West. Accelerator, Venture Capital Firm. Located in Honolulu, Hawaii, United States, North America. $100K for 3-7% available.
    Application open
    $100K for 3-7%
    Accelerator
    Venture Capital Firm
    Tribe Accelerator logo

    Tribe Accelerator

    Powering the next generation of blockchain ideas

    Tribe Accelerator: Powering the next generation of blockchain ideas. Accelerator, Venture Capital Firm. Located in Singapore, Asia. Equity free & No fees available.
    Application open
    Equity free & No fees
    Accelerator
    Venture Capital Firm
    Freigeist logo

    Freigeist

    Unleashing European Tech Founders

    Freigeist: Unleashing European Tech Founders. Venture Capital Firm. Located in Bonn, Nordrhein-Westfalen, Germany, Europe. €500K - €2m for 20% available.
    Application open
    €500K - €2m for 20%
    Venture Capital Firm
    NXT: Commercial Innovation Programme logo

    NXT: Commercial Innovation Programme

    InsurTech Innovation & Growth through Collaboration 🚀🤝

    NXT: Commercial Innovation Programme: InsurTech Innovation & Growth through Collaboration 🚀🤝. Accelerator, Incubator, Entrepreneurship Program. Located in Munich, Germany, Europe, North America, MENA, Worldwide. Sessions with insurers available.
    Application open
    Sessions with insurers
    Accelerator
    Incubator
    Entrepreneurship Program
    Katapult Ocean Accelerator logo

    Katapult Ocean Accelerator

    Building a global ecosystem of startups, corporates, organizations, research institutions and thoughtleaders

    Katapult Ocean Accelerator: Building a global ecosystem of startups, corporates, organizations, research institutions and thoughtleaders. Accelerator, Venture Capital Firm. Located in Oslo, Norway, Europe. $150K for 8% available.
    Application open
    $150K for 8%
    Accelerator
    Venture Capital Firm
    WindSail Capital logo

    WindSail Capital

    Clean Energy Financing Advancing Energy Innovation and Sustainability

    WindSail Capital: Clean Energy Financing Advancing Energy Innovation and Sustainability. Venture Capital Firm. Located in Boston, MA, Boston/Cambridge, USA, United States, North America.
    Venture Capital Firm
    Greentech Europe 2022 Village Capital logo

    Greentech Europe 2022 Village Capital

    Supporting gender-diverse greentech innovation in Europe

    Greentech Europe 2022 Village Capital: Supporting gender-diverse greentech innovation in Europe. Entrepreneurship Program. Located in Europe. Free + $150K of grant available available.
    Application open
    Free + $150K of grant available
    Entrepreneurship Program
    Sharjah Startup Studio (S3) by Sheraa logo

    Sharjah Startup Studio (S3) by Sheraa

    A six-month made-for-you program to help your venture scale in the UAE.

    Sharjah Startup Studio (S3) by Sheraa: A six-month made-for-you program to help your venture scale in the UAE.. Entrepreneurship Program, Government Agency, Accelerator, Incubator, Growth Program. Located in Worldwide, Europe, Africa, Asia, North America, South America, MENA, Oceania. Equity-free program with in-kind contribution available.
    Application open
    Equity-free program with in-kind contribution
    Entrepreneurship Program
    Government Agency
    Accelerator
    Incubator
    Growth Program
    Better Food Ventures logo

    Better Food Ventures

    We invest in businesses harnessing the power of information technology to create a better food system.

    Better Food Ventures: We invest in businesses harnessing the power of information technology to create a better food system.. Venture Capital Firm, Micro VC, Investment Fund. Located in Menlo Park, CA, California, United States, North America.
    Venture Capital Firm
    Micro VC
    Investment Fund
    OBRATORI logo

    OBRATORI

    Exploring disruptive ideas in the men wellbeing and our Planet

    OBRATORI: Exploring disruptive ideas in the men wellbeing and our Planet. Venture Capital Firm, Accelerator, Co-working Space, Startup Studio, Corporate VC. Located in Marseille, Provence-Alpes-Cote d'Azur, France, Europe, Middle East.
    Can Lead
    Venture Capital Firm
    Accelerator
    Co-working Space
    Startup Studio
    Corporate VC
    Founders Bay Accelerator logo

    Founders Bay Accelerator

    The Founders Bay Accelerator is an equity-free, 6-month, intensive program for startups.

    Founders Bay Accelerator: The Founders Bay Accelerator is an equity-free, 6-month, intensive program for startups.. Accelerator. Located in Germany, Europe.
    Application open
    Accelerator
    Forest Valley Sandbox Program logo

    Forest Valley Sandbox Program

    At Forest Valley, we connect emerging climate tech solutions to investors, corporates, and the public sector

    Forest Valley Sandbox Program: At Forest Valley, we connect emerging climate tech solutions to investors, corporates, and the public sector. Accelerator, Mentorship Program. Located in Europe.
    Application open
    Accelerator
    Mentorship Program
    BlueSwell Incubator logo

    BlueSwell Incubator

    Launching Concepts into Scalable Ocean Impact

    BlueSwell Incubator: Launching Concepts into Scalable Ocean Impact. Incubator. $35K, non-dilutive available.
    Application open
    $35K, non-dilutive
    Incubator
    European Startup Prize for mobility logo

    European Startup Prize for mobility

    Scale up your mobility startup in Europe !

    European Startup Prize for mobility: Scale up your mobility startup in Europe !. Accelerator, Government Agency, Startup Competition, Mentorship Program, Startup Network.
    Accelerator
    Government Agency
    Startup Competition
    Mentorship Program
    Startup Network
    Emerging Futures logo

    Emerging Futures

    Supporting gender-diverse greentech innovation in Europe

    Emerging Futures: Supporting gender-diverse greentech innovation in Europe. Accelerator, Incubator.
    Application open
    Accelerator
    Incubator
    100+ Accelerator logo

    100+ Accelerator

    Dream it. Do it. Join us, and together we’ll build a better future for the next 100+ years.

    100+ Accelerator: Dream it. Do it. Join us, and together we’ll build a better future for the next 100+ years.. Accelerator. Located in Toronto, Ontario, Canada, North America.
    Accelerator
    Zacua Ventures logo

    Zacua Ventures

    Investing in the next generation of built environment entrepreneurs

    Zacua Ventures: Investing in the next generation of built environment entrepreneurs. Venture Capital Firm. Located in San Francisco, New York, Singapore, Madrid, Mexico City, USA, Singapore, Spain, Mexico, Worldwide.
    Venture Capital Firm
    Impactivs logo

    Impactivs

    Actionable expertise to help impact entrepreneurs take their ideas to market.

    Impactivs: Actionable expertise to help impact entrepreneurs take their ideas to market.. Mentorship Program.
    Application open
    Mentorship Program
    Sustainable Accelerator logo

    Sustainable Accelerator

    We are sustainability veterans. We are successful Entrepreneurs and experienced Venture Capitalists. Leverage our industry networks, experience, and seed capital to get your start-up from idea to exit.

    Sustainable Accelerator: We are sustainability veterans. We are successful Entrepreneurs and experienced Venture Capitalists. Leverage our industry networks, experience, and seed capital to get your start-up from idea to exit.. Accelerator. Located in London, United Kingdom, Europe.
    Application open
    Accelerator
    Yunus Social Business logo

    Yunus Social Business

    Berlin Accelerator

    Yunus Social Business: Berlin Accelerator. Accelerator, Incubator, Incubator, accelerator. Located in Berlin, Germany, Europe.
    Accelerator
    Incubator
    Incubator, accelerator
    ProVeg Incubator logo

    ProVeg Incubator

    Berlin Accelerator

    ProVeg Incubator: Berlin Accelerator. Accelerator, Incubator. Located in Berlin, Germany, Europe.
    Accelerator
    Incubator
    build3 impact Accelerator logo

    build3 impact Accelerator

    we help you build impact ideas into startups.

    build3 impact Accelerator: we help you build impact ideas into startups.. Co-working Space, Entrepreneurship Program, Accelerator, Incubator, Startup Studio, Mentorship Program, Startup Network. Located in Goa, India, Asia, Worldwide. Apply by Application closed. ₹25 lakh available.
    ₹25 lakh
    Co-working Space
    Entrepreneurship Program
    Accelerator
    Incubator
    Startup Studio
    Mentorship Program
    Startup Network
    Techstars - Winter Cohort Applications logo

    Techstars - Winter Cohort Applications

    Techstars is a global platform that provides investment and innovation. Through the Techstars Worldw…

    Techstars - Winter Cohort Applications: Techstars is a global platform that provides investment and innovation. Through the Techstars Worldw…. Accelerator, Venture Capital Firm, Venture Capital. Located in Multiple, Boulder, United States, United Kingdom, Canada, Germany, France, Israel, Singapore, Australia, Netherlands, Sweden, Finland, Denmark, Norway, Spain, Italy, Portugal, Poland, Ireland, Switzerland, Austria, Belgium, Czechia, Hungary, Romania, Greece, Bulgaria, Croatia, Slovakia, Slovenia, Estonia, Latvia, Lithuania, Luxembourg, Malta, Cyprus, Japan, South Korea, China, India, Brazil, Mexico, Argentina, Chile, Colombia, Peru, South Africa, Kenya, Nigeria, Egypt, Morocco, Tunisia, Turkey, United Arab Emirates, Saudi Arabia, Indonesia, Malaysia, Philippines, Thailand, Vietnam, New Zealand, North America, Europe, Asia, MENA, South America, Oceania, Africa. Apply by Application closed.
    Can Lead
    Accelerator
    Venture Capital Firm
    Venture Capital
    European Innovation Council (EIC) - Accelerator Program logo

    European Innovation Council (EIC) - Accelerator Program

    EU-backed flagship program with substantial funding

    European Innovation Council (EIC) - Accelerator Program: EU-backed flagship program with substantial funding. Accelerator, Grant. Located in Brussels, Belgium, Austria, Bulgaria, Croatia, Cyprus, Czechia, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, United Kingdom, Iceland, Liechtenstein, Norway, Turkey, Albania, Bosnia and Herzegovina, North Macedonia, Montenegro, Serbia, Ukraine, Moldova, Georgia, Armenia, Tunisia, Israel, Europe, MENA. Apply by Application closed.
    Accelerator
    Grant
    Venture Fellows Program logo

    Venture Fellows Program

    Do you have an idea to make your community more resilient, equitable, & sustainable? The Venture Fellows program is a 9-month hands-on experience – we invest in diverse innovators to pilot good ideas that help communities become more resilient in response to the impacts of climate change.

    Venture Fellows Program: Do you have an idea to make your community more resilient, equitable, & sustainable? The Venture Fellows program is a 9-month hands-on experience – we invest in diverse innovators to pilot good ideas that help communities become more resilient in response to the impacts of climate change.. Accelerator. Located in Los Angeles, CA, Miami, United States, North America.
    Application open
    Accelerator

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    FAQs about Sustainability funding

    Best Sustainability accelerators/VCs in 2026?

    See the curated list below; filter by open deadlines and offer terms.

    Which programs are open right now?

    Check the “Open now” section for future deadlines and active cohorts.

    What are typical funding/equity terms?

    Offers vary by program; see each card for check size, equity, or equity-free notes.

    Are there remote options?

    Many programs support remote; confirm on each card’s details (remote flag or location).