Explore our challenge prizes
Want to help solve some of society’s biggest problems? You’re in the right place
This could be your opportunity to help solve some of the world’s biggest problems.
Challenge Works supports smart ideas and ingenious solutions, wherever they come from. We believe inventors can come from any background or sector, so we work to break down barriers, support long-term success and nurture innovation talent every step of the way.
We have worked with thousands of innovator teams and dozens of funders to find solutions to problems, draw attention to societal issues, and bring about real change.
Read on to find out more about our current and past portfolio of challenge prizes.
Bristol Climate Smart Cities Challenge
An innovation competition to accelerate the shift to climate neutral cities.
Bogotá Climate Smart Cities Challenge
An innovation competition to accelerate the shift to climate neutral cities.
Curitiba Climate Smart Cities Challenge
An innovation competition to accelerate the shift to climate neutral cities.
Makindye Ssabagabo Climate Smart Cities Challenge
An innovation competition to accelerate the shift to climate neutral cities.
Afri-Plastics Challenge: Accelerating Growth
Seeking scalable and sustainable solutions to prevent plastic waste from entering the marine environment.
Water Breakthrough Challenge 2
Driving wide-scale transformational change in the water sector.
Water Breakthrough Challenge 1
Driving wide-scale transformational change in the water sector.
Million Cool Roofs Challenge
Accelerating access to affordable, sustainable cooling through rapid deployment of cool roof materials.
UNDP Renewable Energy Prize
Seeking renewable energy solutions for families in rural Bosnia and Herzegovina.
Waste Reduction Challenge
The Waste Reduction Challenge Prize offered a prize for the innovation that achieved the biggest measurable reduction in waste.
Renewable Energy Challenge
Looking for solutions that will use the water area for renewable energy production.
European Social Innovation Competition 2020
Looking for ideas that improve the environmental and social impact of the European fashion market.
Challenge prizes
Discover how challenge prizes work, why they attract the right innovators and how they can help solve urgent problems where solutions are lacking.