In the face of climate change, we are
Climate innovators: nominate yourselves for The Earthshot Prize 2026
The challenge is huge, but we are Undaunted
Time is running out to halt the climate crisis, and our window of opportunity to create a greener, more sustainable future is closing fast. We need practical solutions on a scale never achieved before. Innovation is crucial.
We envision a world with a healthy, global climate innovation ecosystem, where diverse innovators leading businesses of all sizes can deliver significant emissions reductions and climate resilience sustainably and at scale.
Unimaginable Unprecedented Undaunted
Our alumni will have real-world impact
We build a bridge from the experimentation and discovery stage of climate technology, nurturing innovation until it is ready to be scaled up. Our activities – including our flagship Greenhouse climate accelerator programme – stimulate the commercial sector to follow and develop a wider ecosystem where green solutions can flourish. We are creating the blueprint for a successful climate innovation ecosystem.
Undaunted in numbers
%
The survival rate of Undaunted startups is 88 per cent, compared to the industry average of 10 per cent. 5 per cent of these companies have exited through acquisition.
180
180 startups have taken part in Undaunted’s accelerator, now known as The Greenhouse
$1.33bn
Undaunted alumni have gone on to raise over $1bn investment since 2012
>1,600
They operate across 30 countries worldwide, and have created over 1,600 jobs. As of September 2024 the total number of employees stands at 1,617
Impact forecast of Undaunted alumni by 2030

29 million
29 million tonnes of cumulative carbon dioxide equivalent forecast to be saved by 2030. This equates to 7% of the UK’s annual greenhouse gas emissions

76 million
76 million tonnes cumulative waste forecast to be avoided by 2030 across the Undaunted startup portfolio. This is equivalent to a third of the UK’s annual waste

7.4 million
7.4 million litres total fresh water to be saved by 2030, equivalent to the annual consumption of 75 thousand UK households
Events
Climate Change Risk Management
Event date - September 16, 2025
Join Imperial College and The IRM in our revamped cutting-edge, interactive online training program on Climate Change Risk Management. Navigate the complexities of a changing climate, evolving regulations, and emerging opportunities with our ... Read more
De-risking DeepTech Innovations – Climate Solutions Catalyst
Event date - September 18, 2025
Navigating the first few months Read more
Undaunted at THE HEAT
Event date - September 19, 2025
A counter-intuitive climate tech festival Read more
Latest news
Women in cleantech innovation: “We consume our resources faster every year, and I wanted to tackle that” – Safia Qureshi
As part of our series on women in cleantech innovation, the Grantham Institute’s Linsey Wynton meets Safia Qureshi, Founder ... Read more
Imperial startups pitch for investment at London Demo Day 2025
Four startups founded by Imperial students and alumni have pitched their businesses to an audience of investors at London Demo Day 2025. Read more
Imperial researchers take leading role in major IPCC climate report
Imperial has more authors contributing to a crucial report on climate change than any other organisation in the world. Read more