Sustainability startup ecosystem
We track 137 organisations in this sector across 6+ countries.
Showing 1–20 of 137 Sustainability
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4GAMECHANGERS Festival 2026
Vienna's multi-stage innovation festival organized by ProSiebenSat.1 PULS 4, bringing 10,000+ attendees across media, tech, sustainability, and politics tracks. Features a startup expo, pitch competition, and keynotes from European tech leaders. Free to EUR 99.
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4th International Summit on Non-Renewable and Renewable Energy (ISNRE2026)
The 4th International Summit on Non-Renewable and Renewable Energy (ISNRE2026), held on August 24-25, 2026 in Venice, brings together researchers, industry experts, policymakers and innovators around energy transition, renewable technologies, smart grids, storage and sustainability. The programme spans around 30 scientific sessions with plenary talks, keynotes, technical presentations and networking. Submitted via the site suggestion form.
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Accelerace
Accelerace is Denmark's longest-running accelerator and pre-seed investor, founded in 2008 to help early-stage teams validate products, refine go-to-market strategy, and access investors. The program runs multiple tracks across general tech, life science, and sustainability, and pairs founders with a large mentor network. Accelerace also invests small tickets in selected teams and helps them prepare for follow-on funding. It has supported 800+ Nordic startups and remains a core launchpad in the Danish ecosystem.
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Accelerate Green
Accelerate Green is Ireland's flagship climate-tech and sustainability accelerator, launched in 2021 and operated by state energy company Bord na Móna in partnership with Resolve Partners and ERINN Innovation, part-funded by the European Commission's LIFE Programme and a €5M Bord na Móna commitment. Based at a dedicated hub beside Lough Boora in Co. Offaly, it takes no equity and runs an eight-module series of residential workshops, mentoring and site visits over roughly four months, culminating in a public showcase conference. The programme runs two tracks — GROW for established climate-focused SMEs and START for early-stage founders — and gives participants access to Bord na Móna as a reference customer and pilot partner. Focus sectors span renewable energy, circular economy, carbon capture, sustainable agriculture and low-carbon mobility across the island of Ireland. Since 2022 it has supported 60+ companies across five cohorts, with alumni including EpiSensor, CameraMatics, Hibra Design and Volta Robotics.
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Agro Innovation Lab
Created 2016 by Raiffeisen Ware Austria and BayWa. Agritech accelerator offering mentoring, pilot opportunities on farms, industry networking, and hackathons; pilots can lead to strategic cooperation or investment with BayWa/RWA. Scope: International (Europe).
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AI for Good Global Summit 2026 (July 2026)
The United Nations' flagship AI-for-good event, organized by the International Telecommunication Union. It convenes governments, technology companies, startups, academia and UN agencies around applied AI for the Sustainable Development Goals, with a large exhibition, robotics demos and a startup and innovation track. It is one of the largest AI gatherings in Europe, relevant to founders seeking visibility, partners and policy context.
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AI for Good Global Summit 2027
AI for Good Global Summit 2027 runs the week of 21-25 June in Geneva. Organised by the ITU in partnership with over 50 UN sister agencies and co-convened with the Government of Switzerland, the summit is the United Nations' leading platform on artificial intelligence, bringing together stakeholders to harness AI's potential to address global challenges in solutions and knowledge, skills and capacity, and standards and policy.
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Algalíf
Algalíf is an Icelandic biotechnology company founded in 2012 that produces high-grade natural astaxanthin from microalgae using 100% renewable geothermal energy in a fully enclosed indoor photobioreactor system. The company is certified carbon-negative, binding 75 tonnes of CO2 annually, and holds over $50M in cumulative investment. In 2025 Algalíf launched Astalíf 15, the world's first 15% natural astaxanthin oleoresin, and broke ground on the world's largest natural astaxanthin facility (12,500 m²). The board initiated IPO preparations for 2025 and appointed new leadership following the departure of long-serving CEO Orri Björnsson.
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Aphea.Bio
Aphea.Bio develops microbial-based biological crop solutions that replace synthetic pesticides and fertilisers — biostimulants, biofungicides, bioherbicides and bioinsecticides — using its proprietary APEXbio™ platform. The technology was spun out of research at Ghent University, KU Leuven and VIB. Co-founded in 2017 by Isabel Vercauteren (CEO) and Steven Vandenabeele, the company raised a €70 M Series C in July 2023 backed by the Bill & Melinda Gates Foundation, SFPIM, BNP Paribas Fortis and Innovation Industries. In 2025 it secured a VLAIO grant to launch its TRANSCEND platform screening 5,000 proprietary microorganism candidates. Aphea.Bio holds B Corp certification and is a Ghent biotech hub anchor.
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Arctic Circle Assembly 2026
The largest annual international gathering on Arctic affairs, held at Harpa with governments, academia, NGOs, Indigenous representatives and private-sector stakeholders. Strong tracks on climate, clean energy, ocean tech and Arctic innovation.
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Atmonia
Atmonia is developing a breakthrough electro-catalytic process for synthesising ammonia directly from air, water and renewable electricity at ambient temperature and pressure — with zero carbon emissions. Its precious-metal-free catalyst technology, protected by multiple patents, could disrupt the conventional Haber-Bosch process that accounts for roughly 2% of global CO2 emissions. Founded in 2016, the company has raised $3M in equity alongside $10M in non-dilutive funding from sources including the Icelandic Research Fund, Technology Development Fund and Horizon Europe. Atmonia collaborates with Fujitsu on AI-accelerated catalyst development and leads the EU-funded VERGE project.
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BEYOND Expo 2026
Southeastern Europe's leading tech and innovation exhibition at Metropolitan Expo Athens, themed 'AI: Digital to Physical' for 2026, with focus on AI, cybersecurity, smart cities, ESG applications, digital governance and startups; targeting ~30,000 attendees.
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BIOFACH 2026
World-leading organic food trade fair with the Novelty Stand for trendsetting products. Price: about EUR 32-74 depending on booking phase. Essential for organic and plant-based brands seeking retail listings.
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Bled Strategic Forum 2026
21st edition of Slovenia's flagship international policy forum, themed Choosing the Future. Convenes heads of state, ministers, business leaders and innovators around geopolitics, the digital transition, AI governance and sustainability.
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BLOXHUB
BLOXHUB is a Copenhagen innovation hub focused on sustainable cities, architecture, and the built environment. Located in the BLOX building on the waterfront, it brings together startups, corporates, researchers, and public agencies to develop solutions for urban challenges. BLOXHUB runs programs such as Urbantech and hosts collaborations that help startups pilot products with city partners. It is a flagship hub for urban tech and climate oriented innovation in Denmark.
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BNEW — Barcelona New Economy Week 2026
A hybrid B2B event connecting strategic new-economy sectors with around 320 international experts and 100+ hours of programming, organised around cross-sector verticals at DFactory Barcelona. Useful for founders wanting cross-industry corporate connections and exposure beyond a single vertical.
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Carbfix
Carbfix dissolves captured CO2 in water and injects it into basalt rock formations, where it permanently mineralises into solid carbonate stone in under two years. Founded in 2007 as a joint research initiative by Reykjavik Energy, the University of Iceland, CNRS France, and Columbia University's Earth Institute, the company operates at the Hellisheiði geothermal power plant. In 2023 it secured a $117M EU grant and became the first company to receive an EU permit for onshore carbon capture & storage, with capacity for ~106,000 tonnes of CO2 per year. It was a WIPO Global Awards 2025 finalist and partners with Climeworks on the Mammoth DAC plant.
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Carbon Recycling International
Carbon Recycling International (CRI) designs, licenses and sells its proprietary Emissions-to-Liquids (ETL) process technology for producing green methanol from captured CO2 emissions and green hydrogen. Founded in 2006 and operating at industrial scale since 2012, CRI is globally recognised as a leader in CO2-to-methanol technology. The company raised $30M led by Equinor Ventures and counts Geely, Methanex and Eyrir Invest among its major shareholders. CRI's technology has been deployed in commercial projects in China, including one of the world's most efficient CO2-to-methanol plants built in partnership with Jiangsu Sailboat.
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Catapult: Green Fintech 2026
One-week fast-track bootcamp at the LHoFT for 10 selected green fintech firms, co-facilitated with LSFI. Participants pitch to investors, meet sustainable finance decision-makers and join the annual LSFI Summit.
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CDP Venture Capital SGR
Founded in 2015 as the National Innovation Fund (Fondo Nazionale Innovazione) and wholly owned by Cassa Depositi e Prestiti, CDP Venture Capital SGR is the largest venture capital operator in Italy and one of the biggest in Europe, deploying capital through a family of direct and fund-of-funds vehicles with a combined target allocation of over €3.3 billion in its 2024–2028 business plan. It operates across the full lifecycle — from seed (Italia Venture I/II) through growth (Large Ventures, target €700 million) and ecosystem development (VenturItaly II FoF, target €700 million) — covering deep tech, life sciences, digital transition, and sustainability. The portfolio spans 246+ companies, with notable names including Everli and Arduino; its fund-of-funds arms back virtually every significant Italian VC manager. As a state-backed anchor LP and direct co-investor, CDP acts as the cornerstone of the national innovation ecosystem.
