Sustainability startup ecosystem
We track 138 organisations in this sector across 6+ countries.
Showing 81–100 of 138Sustainability
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MannaEV
MannaEV is Malta's first electric motorcycle delivery and battery-swapping startup, founded in early 2023 by three co-founders with backgrounds from Google, Alibaba, TikTok, and Lazada. The company operates an on-demand same-day delivery platform powered by smart electric motorcycles and a battery-swapping network, eliminating range anxiety and enabling rapid fleet turnaround. Within its first year MannaEV scaled to 500+ customers and deployed 50+ electric motorcycles across three battery-swapping hubs on the island without external VC funding. It won multiple categories at the Malta Business Awards 2024 and has a commercial partnership with Bolt Malta.
Michael Fritz
Michael Fritz is the Co-Founder of Viva con Agua, one of Germany's best-known social enterprises, headquartered in Hamburg. Viva con Agua operates a 'for-good' business model that channels revenue from commercial activities — including water, energy, and music events — into clean water and sanitation projects across Africa and Asia. Fritz is active in the German social entrepreneurship ecosystem and is a confirmed keynote speaker at Future Tech Fest 2026 in Düsseldorf.
Mission Zero Technologies
Mission Zero Technologies is a London-based direct air capture company that has developed a plug-and-play electrochemical technology to recover CO2 from the atmosphere anywhere there is access to electricity. The captured carbon is either durably sequestered or used to make sustainable building materials and e-fuels in place of fossil carbon. The company has deployed direct air capture systems with partners including Deep Sky in Canada, Sheffield University for sustainable aviation fuel, and O.C.O Technology for carbon-negative building materials, and it co-launched UnionDAC, a UK direct air capture initiative.
MycoTex
MycoTex is a Dutch materials company engineering mycelium-based materials for premium interiors, furniture and textiles. Its three-material system spans a bio-based covering material for walls and finishes, a structural material for furniture and components, and a lab-scale mycelium textile for interiors, fashion and accessories, positioned as a regenerative alternative to conventional materials.
NatureMetrics
NatureMetrics is a UK biodiversity intelligence company headquartered in Guildford, with an additional office in London, that uses environmental DNA (eDNA) and bioacoustics to detect and monitor species and ecosystem health for clients in mining, energy, infrastructure, agriculture, and conservation. Its Nature Intelligence Platform helps companies screen assets for environmental risk, support permitting and regulatory approvals, detect threatened or invasive species, and track biodiversity change over time. The company reports a decade of ground-truth species data from tens of thousands of sites and cites client outcomes including USD 2.8 billion saved in project delays and USD 100 million unlocked in financing.
Net Zero Events
Leading event series organiser focused on accelerating the decarbonization of data centres and other energy-intensive industries. Through conferences and expos held across European cities, Net Zero Events connects sustainability-focused startups with facility operators, energy providers, and policymakers working toward net-zero carbon targets.
Net-Zero Data Centre Summit Europe 2026
Europe's leading event focused on accelerating data centre decarbonization, bringing together operators, technology providers, and sustainability leaders in Berlin. Covers renewable energy integration, cooling innovation, and carbon-neutral infrastructure design. Relevant for cleantech and infrastructure startups targeting the rapidly growing data centre market.
Net-Zero Data Centre Summit Europe 2027
The 4th Net-Zero Data Centre Summit Europe runs 12-13 January in Berlin. The summit brings together hyperscalers, colocation providers, utilities and policymakers to address Germany's 100% renewable electricity mandate, EnEfG energy-efficiency requirements and the first EU sustainability labels for data centres, moving the industry from ambition to regulatory-grade implementation.
newcleo
newcleo develops Generation IV lead-cooled fast reactors (LFRs) fuelled by recycled nuclear waste, targeting a closed-fuel-cycle that dramatically reduces long-term radioactive waste. Founded in 2021 by Stefano Buono — previously founder of NASDAQ-listed nuclear medicine company Advanced Accelerator Applications, acquired by Novartis for $3.9 billion — newcleo has raised over $755 million to date, including $85 million in early 2026. The company is building PRECURSOR, a 10 MW non-nuclear lead-cooled test system at ENEA's Brasimone Research Center in Italy, with a full demonstration reactor planned for France by 2032 and €28 million invested in Turin research facilities.
Nidyon
San Marino manufacturer at Via Cesare Cantu 47 in Dogana, producing expanded polystyrene and galvanised steel panels for construction and listed on the state high-technology enterprise register. Its integrated system delivers structure, insulation and infill in one process, aimed at earthquake-resistant buildings with thermal and acoustic insulation and low environmental impact. The company reports thirty years of operation.
Nordic Edge Expo 2026
Northern Europe's leading smart city and urban tech conference held in Stavanger, attracting 4,000+ attendees from 50+ countries. Focuses on sustainable cities, digital infrastructure, and mobility. Strong government and municipality buyer presence makes it ideal for GovTech startups.
NürnbergMesse
NürnbergMesse GmbH operates the Nuremberg exhibition centre and runs around 120 trade fairs and congresses in Germany and abroad. Its technology programme includes embedded world and it-sa for embedded systems and IT security, and its sustainability programme pairs BIOFACH, the organic food trade fair, with Vivaness for natural and organic personal care.
Ocean Ecostructures
Ocean Ecostructures is a Barcelona-based bluetech company that turns maritime infrastructure such as port walls and offshore structures into Nature Positive spaces using biomimetic micro-reef technology combined with sensors and AI-based monitoring. Its solutions, deployed in ports, marinas, and offshore sites, are designed to regenerate marine ecosystems without interfering with port operations, and the company reports its technology can multiply biodiversity up to six times compared with standard concrete surfaces. Banco Sabadell's BStartup, Ship2B Ventures, and Inclimo Climate Tech are among its shareholders.
Open Eyes Economy Summit 2026
A major international congress on responsible and sustainable economy and value-driven business. Relevant for climate, greentech, and impact founders looking to connect with ESG-minded corporates, public institutions, and mission-aligned investors.
Optitog
Optitog (Optitog ehf.) is a Reykjavik-based fishing gear technology company, headquartered at the Ocean Cluster House, developing the Virtual Trawl, a patented light-beam system that herds prawn off the seafloor with less than 0.5% bottom contact, replacing conventional trawl doors and ground gear. The technology reduces towing resistance and fuel consumption, cuts unwanted bycatch, and avoids seafloor habitat damage compared with conventional bottom trawling for prawn fisheries.
Orange Fiber
Orange Fiber is an Italian materials company that turns citrus juice by-products from Italy's food industry into a sustainable textile fabric. It has collaborated with fashion brands including Salvatore Ferragamo, H&M and E. Marinella, and its work has been exhibited at institutions such as the V&A Museum and featured in the Green Carpet Fashion Awards.
Paul Polman
Dutch business leader who was CEO of Unilever from 2009 to 2019, where he launched the Unilever Sustainable Living Plan and dropped quarterly earnings guidance. He co-authored Net Positive and co-founded the London-based foundation IMAGINE, advocating sustainable and equitable business.
Planted
Planted is a Zurich-based food technology company founded in 2019 by Christoph Jenny, Pascal Bieri, Eric Stirnemann, and Judith Wemmer as a spin-out from ETH Zurich. The company produces plant-based meat alternatives using a wet extrusion technology that creates fibrous textures closely mimicking animal proteins. Planted's products — planted.chicken, planted.pulled, and planted.kebab — are sold in supermarkets, restaurants, and food service channels across Switzerland, Germany, and neighbouring European markets. The company raised CHF 70 million in a Series B round in 2021 from investors including Vorwerk Ventures and Movendo Capital. Planted is part of the broader ETH Zurich food-tech cluster and is considered one of Europe's most technically sophisticated alternative protein companies, combining deep food science with aggressive consumer distribution.
Portathon 2026 (September 2026)
Portathon is an international port-technology hackathon, in its 8th edition in 2026, held in Klaipėda and gathering 100+ participants into multidisciplinary teams to build prototypes solving real maritime and port-sector challenges. Themes span IT and digitalization for the maritime industry, cybersecurity, AI integration and sustainability, with the event acting as a launchpad for ventures such as PortMI.
Posidonia 2026
World's largest maritime exhibition at Metropolitan Expo Athens, drawing 2,000+ exhibitors from 145 countries with 60+ conferences covering shipping tech, green fuels, digitalization and maritime innovation, plus a dedicated startup zone.
