Top Sustainable Cities Accelerators & VCs (2025)

Browse sustainable cities startup programs and VCs with updated offers, deadlines, and funding for 2025.

Updated Dec 2025

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Remote Programs

Equity Free Programs

Found 10 programs total.

BlueSwell Incubator

Launching Concepts into Scalable Ocean Impact

Application open

$35K, non-dilutive

Incubator

TBIC B2B Accelerator

Accelerating Entrepreneurial Success

Accelerator

Greentech Europe 2022 Village Capital

Supporting gender-diverse greentech innovation in Europe

Application open

Free + $150K of grant available

Entrepreneurship Program

VenturePad Impact Accelerator

Go Further Together

Impactivs

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

Application open

Mentorship Program

Forest Valley Sandbox Program

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

Application open

Accelerator

Mentorship Program

The Impact Accelerator

The tailored mentorship-focused programme is supported by content, events, workshops and webinars carefully curated to help impact startups flourish.

Application open

Accelerator

Emerging Futures

Supporting gender-diverse greentech innovation in Europe

Application open

Accelerator

Incubator

build3 impact Accelerator

we help you build impact ideas into startups.

₹25 lakh

Co-working Space

Entrepreneurship Program

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.

Application open

Accelerator

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FAQs about Sustainable Cities funding

Best Sustainable Cities accelerators/VCs in 2025?

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).