Demo
Day
Discover the most promising European B2B climate tech startups
with a proven positive climate impact
27th March, 2025
5PM CET
We explored European corporates and investors’ needs, scouted the latest climate innovation trends, assessed, selected and accelerated the most cutting-edge B2B startups in climate tech...
1. We study market trends
Corporates’ needs in climate transition, and VC’s trends in climate tech investing are at the core of our startup scouting activities, that’s why we gather industry trends and insights from companies and investors to drive our research.
2. We scout the most promising European early stage startups
We look for pre-seed and seed startups with proven B2B climate solutions and technologies having at least an MVP validating their technology in a relevant environment and significant business metrics (i.e., users, revenues or LoIs signed by industry relevant players).
3. We select them according to climate tech experts deep dives
A highly qualified Technical Board of engineers, scientists and climate innovation experts oversees the screening, assessment and selection process, ensuring projects’ climate and business robustness.
4. We train and prepare them for go to market
Involving international mentors with longstanding experience in business development, sustainability assessment, fundraising, and ESG policy frameworks, Sandbox Program aims at training and supporting the selected startups, ensuring their readiness for meeting with prospect clients and investors.
... and now we bring them all under one roof at
the Sandbox Program virtual Demo Day event.
Tune in to the Demo Day online event and stay current with the latest emerging European climate tech innovations!
During the Demo Day, the startups accelerated within the last edition of the Sandbox Program, will showcase their B2B climate solutions and technologies across several industries, such as waste management and recycling, energy efficiency, sustainable materials, and carbon offsetting.
Waste Management and Recycling
Bio-based recycling of lithium-ion batteries using plant waste to recover metals
Waste Management and Recycling
Sustainable microbial solution replacing chemicals in portable toilets
SaaS Sustainability Management
AI-powered insights to monitor supply chains and detect ESG risks
Water Management
Water-based nanotech for sustainable cleaning, maintenance, and protection
Water Management
IoT solutions for cost-efficient Legionella risk management and water savings
Hydrogen
Connecting green hydrogen supply and demand with modular, AI-optimized solutions
Hydrogen
Scalable, cost-effective electrodes for efficient green hydrogen production
Energy Efficiency
Boosting wind turbine efficiency by 15% with patented Active Flow Control
PropTech
AI-powered platform streamlining energy retrofits for property owners.
Energy Efficiency
Energy traceability and compliance powered by AI and blockchain in real time
Energy Efficiency
IoT and AI-powered dashboard helps SMEs cut waste, control consumption, and save energy
Energy Efficiency
Wireless energy transfer for IoT, microelectronics, and battery systems
climate solutions
What you get as an investor
- Increase your deal flow with the most promising emerging startups from all over Europe, in line with the latest climate tech trends and innovations
- Meet B2B climate tech startups in fundraising phase from pre-seed, seed and Series A rounds
- Get access to solutions with proven commercial traction and validated climate impact and technologies
What you get as a company
- Meet plug & play climate tech solutions to address your company’s sustainability problems and pledges from the supply chain side
- Discover the potential of climate innovation for new opportunities and business lines
- Stay current with the latest industry trends, in line with your business requirements and nurture the deal flow for your innovation team
Save your seat for the Demo Day
The event will last about 2h
About Forest Valley
Forest Valley Institute is a not-for-profit organization
fighting climate change from the supply chain side,
by promoting innovation in the way we produce goods and services.
Our goal is to accelerate this process by supporting companies and public sector
during their innovation process, by connecting them with emerging climate solutions
and technologies that can satisfy their needs.