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
Designing Experiments for Entrepreneurship
Event date - September 30, 2025
Are you an Imperial researcher interested in ways to build a DeepTech spinout or startup? Join the third workshop in our series exploring climate entrepreneurship! Read more
Strengthening Energy Infrastructure Resilience (invite only)
Event date - October 1, 2025
This side-event to the IEA High-Level Roundtable on Strengthening Energy Infrastructure Resilience will exchange knowledge on state-of-the-art methodologies and open questions related to energy system resilience. Read more
Carbon Dioxide Removal (CDR) Innovation Day
Event date - October 1, 2025
This CO2RE Hub hosted event celebrates the 4.5-year UKRI-funded GGR-D Programme, bringing together researchers and innovators with policymakers, businesses, NGOs, investors and others with an interest in greenhouse gas removal. Read more
Latest news
Women in cleantech innovation: “We urgently need to accelerate soil regeneration, but we are missing the tools to do so” – Alex Park
The Grantham Institute’s Linsey Wynton speaks to Alex Park, Founder and CEO of Biofonic, a climate startup that uses acoustic... The ... Read more
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
Leading startups from Africa and India present bold ideas at investor showcase
Some of the world’s most promising startups have been in London pitching their bold ideas to investors to expand their global impact. Read more
