In the face of climate change, we are
Powering early-stage climate innovation across London, the UK and beyond
Undaunted London Climate Action Week Innovation Hub | 25 June 2026
Upcoming events
Undaunted Innovation Hub 2026
Event date - June 25, 2026
The Undaunted Innovation Hub brings together the international cleantech innovation ecosystem for an evening of bold ideas and connection during London Climate Action Week 2026. Read more
SPC Seminar – Climate – Claudia Czimczik (UC Irvine)
Event date - June 30, 2026
Speaker: Claudia Czimczik (UC Irvine) Title: TBC Read more
Clouds, Aerosols, Wildfires, and Extreme Heat – From Physical Processes to Climate Impacts with Professor Minghui Diao
Event date - July 3, 2026
Seminar by Minghui Diao (San Jose State Univ.) on ice and mixed-phase cloud microphysics and aerosol-cloud interactions, combining 20+ field campaigns with Earth system model comparisons, and extending to regional climate impacts including ... Read more
Latest news
Imperial and the Earls Court Development Company announce climate innovation partnership as part of WestTech London
Imperial College London and the Earls Court Development Company (ECDC) have established a new partnership to advance climate ... Read more
UK will lead sustainable fashion revolution, predict industry experts
Fashion industry leaders, investors and founders joined eleven of the UK’s top innovators at Imperial to discuss what is needed ... Read more
Nanomox raises £2.4m to scale sustainable ionic liquid platform for advanced materials and critical minerals
Nanomox, a pioneer of sustainable production and recovery processes for inorganic materials, today announced completion of a ... Read more
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.
165+
More than 165 startups have taken part in Undaunted’s accelerator, now known as The Greenhouse
$1.33bn
Undaunted alumni companies 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
