Join Europe's largest

Join Europe's largest

Join Europe's largest

CLIMATE

CLIMATE

CLIMATE

INNOVATION

INNOVATION

INNOVATION

challenge for STUDENTS

challenge for STUDENTS

challenge for STUDENTS

Extended deadline: 25th January 2026

Extended deadline: 25th January 2026

The Cleantech Challenge brings together students from all backgrounds to drive the future of climate innovation.


Finalist teams will join a two-day, in-person programme at the London Business School, where they will receive industry mentorship, sharpen their solutions, and compete for £40,000 in prize funding to help turn ideas into impact.


The Challenge is made possible by our generous sponsors Gore Street Capital and Sky Zero.


This year's final takes place on 22nd & 23rd April 2026.

Your solution could CHANGE

Your solution could CHANGE

Your solution could CHANGE

the PLANET

the PLANET

the PLANET

And the Cleantech Challenge makes this happen because we…

Bridge the gap

We bring technically minded students and business-focused thinkers together, giving their ideas a platform in front of leading industry judges and climate decision-makers.

Provide mentorship

Provide mentorship

Provide mentorship

Finalists work closely with experienced cleantech founders, operators, and investors who help refine ideas and turn potential into real-world impact.

Give £40,000 of prizes

Give £40,000 of prizes

Give £40,000 of prizes

Finalist teams compete for two £20,000 prizes, recognising solutions with the strongest environmental impact and commercial promise.

Don’t just take it from us. Hear from our previous finalists.

Harry

Co-Founder, Fetch (2025 Winner)

This Challenge has got to be one of the best competitions for entrepeneurial students in the world. Give it a go!

Harry

Co-Founder, Fetch (2025 Winner)

This Challenge has got to be one of the best competitions for entrepeneurial students in the world. Give it a go!

Harry

Co-Founder, Fetch (2025 Winner)

This Challenge has got to be one of the best competitions for entrepeneurial students in the world. Give it a go!

Sparsh

Founder, Incy Tech (2025 Winner)

Winning the Cleantech Challenge prize gave us the credibility we needed to open doors with serious utility partners, manufactures and investors.

Sparsh

Founder, Incy Tech (2025 Winner)

Winning the Cleantech Challenge prize gave us the credibility we needed to open doors with serious utility partners, manufactures and investors.

Sparsh

Founder, Incy Tech (2025 Winner)

Winning the Cleantech Challenge prize gave us the credibility we needed to open doors with serious utility partners, manufactures and investors.

Rithika

Founder, ReFront (2025 Finalist)

The Challenge was a turning point for us. The mentorship session was the best part. We received inputs that really helped mould our idea and sharpen our pitch.

Rithika

Founder, ReFront (2025 Finalist)

The Challenge was a turning point for us. The mentorship session was the best part. We received inputs that really helped mould our idea and sharpen our pitch.

Rithika

Founder, ReFront (2025 Finalist)

The Challenge was a turning point for us. The mentorship session was the best part. We received inputs that really helped mould our idea and sharpen our pitch.

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Get in touch

If you have interested in collaborating or have further questions,
please drop us an email.

Get in touch

If you have interested in collaborating or have further questions,
please drop us an email.

Get in touch

If you have a general
or project enquiry,
please drop me an email.