06/30/2025
Ammonia for Maritime Decarbonization
Ammonia is currently one of the most divisive topics in the maritime decarbonization space. The decarbonization potential of ammonia is unde...
Looking to develop, pilot, or scale your innovation? Take advantage of the myriad of opportunities provided by Innovation Challenges for which corporates, investors, accelerators, and governments are recruiting.
Cleantech Group helps innovators by sharing live (and expired) challenges that have captured our attention from our daily work engaging with the global cleantech ecosystem. The Innovation Challenge Hub is a useful resource to keep coming back to.
Cleantech Group is an active partner on these challenges:
You can search and filter through challenges by typing in the search field or by using the dropdowns below.
Click here to view past challenges.
Startups in the U.S. Early Stage Security &...
Startups in the U.S. Early Stage Security & Resilience Program are advancing tech like AI logistics and quantum-safe cybersecurity to strengthen national security and global resilience and tap into a $750B+ market.
Shell GameChanger and The Idea Village have joined forces to launch the Coastal Innovation Challenge 2025.
This call for solutions invites founders developing innovative technologies to support coastal restoration, sustainable coastal construction, and marine biodiversity. With the Gulf South’s unique ecosystems and economy closely tied to coastal health, this initiative is an opportunity to unlock scalable solutions that strengthen natural infrastructure and support long-term environmental resilience.
The California Governor’s Office of Business and Economic Development (GO-Biz) invites California small businesses to register their interest in export training targeting clean technology for Denmark, Norway, and Sweden.
Maple Leaf Foods is seeking scalable, low-emission alternatives to natural gas for industrial heating.
CN is seeking sustainable solutions to divert used wooden railway ties from landfill.
Technologies improving mining practices to support the EU-Canada Critical Raw Materials partnership.
Canada faces urgent housing affordability challenges and seeks innovative, sustainable construction solutions.
CN is seeking advanced solutions for wildfire detection and risk modelling.
Canadian cleantech companies seek high-...
Canadian cleantech companies seek high-performance components to overcome supply challenges and boost efficiency.
Canada is seeking resilient, year-round...
Canada is seeking resilient, year-round food production solutions like RAS and vertical farming.
Sustainable Ventures is launching a competition to help SMES & Established Businesses solve their net zero challenges and Innovators scale their solutions particularly in low carbon buildings, waste management, behavior change, and low carbon mobility.
Asia-Pacific water challenges that are addressed by entrepreneurs receive pilot funding and scale up support with partners.
Autonomous vehicles, connectivity, electrification, smart cities.
Rolling applications year round. Stage-agnostic.
Spanning urban mobility, electrification, energy efficiency, and sustainable transport.
Open to applicants in all regions/continents.
Charging infrastructure, EV fleets, services supporting electric mobility.
Announced in April 2022. Open to companies located beyond Singapore.
How much information should you share? What's essential? Optional? Part One of our Fast Guide to Successful Innovation zeroes in on what you need to do to connect with the decision makers in all the right ways.
Selling your idea or product to new audience can be as daunting as it is exciting. Our checklist takes you through a plan for getting the the best possible outcome.
Understanding your potential new partner's requirements, and even their language, will help you benefit from the process, manage your feedback and respond with useful information.
Ammonia is currently one of the most divisive topics in the maritime decarbonization space. The decarbonization potential of ammonia is unde...
At Cleantech Group, we provide research, consulting and events to catalyze opportunities for sustainable growth powered by innovation. We bring clients access to the trends, companies and people shaping the future and the customized advice and support businesses need to engage external innovation.
Industries are undergoing definitive transitions toward a more digitized, de-carbonized and resource-efficient industrial future. At every stage from initial strategy to final deals, our services bring corporate change makers, investors, governments and stakeholders from across the ecosystem, the support they need to thrive in this fast-arriving and uncertain future.
The company was established in 2002 and is headquartered in San Francisco with with offices in Asia, Europe and North America.
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