Cleantech Days 2025
Bridging Regions
To Accelerate Innovation for Just Transition
For Innovators
For Ecosystems
For Countries
For Planet
For Innovators
For Ecosystems
For Countries
For Planet
🔹 Istanbul, Türkiye
📅 1–5 September 2025
What is Cleantech Days
Cleantech Days is an annual global forum led by UNIDO’s Global Cleantech Innovation Programme (GCIP) to showcase clean technology innovations and advance climate action. The event brings together cleantech startups and MSMEs, UNIDO global and national partners, policymakers and investors to promote cleantech entrepreneurship, knowledge exchange, and partnership building for sustainable industrial development. Since its inception, the Cleantech Days has evolved into a global platform for clean technology innovators to gain international exposure and connect with peers, mentors, experts and prospective partners.
55+
Cleantech Solutions
Engaged and Showcased
250+
Participants
From More Than 20 Countries
10+
Awards
And Special Recognitions
30+
Partners
And Co-Creators Engaged
CLEANTECH DAYS STORY
Vienna 2023: The first edition of Cleantech Days took place in Vienna in November 2023 alongside the International Vienna Energy and Climate Forum. It brought together over 120 participants from 23 countries, including more than 30 UNIDO-supported entrepreneurs. The event spotlighted success stories and fostered dialogue on cleantech financing, investment and partnerships—underscoring the importance of linking innovators with funding and markets.
Vienna 2024: In June 2024, the second edition continued this momentum, providing a platform to showcase impactful cleantech solutions and connect entrepreneurs with businesses, financiers and investors. Co-hosted with UNIDO’s Regional Bureau for Europe and Central Asia, and themed “Connecting for Development – Innovating for Impact,” the event amplified Member States’ innovative potential while enabling networking, knowledge exchange and collaboration.
Istanbul 2025: Cleantech Days 2025 marks a new milestone: the first time the event will be hosted outside Vienna. Co-organized with TÜBİTAK in Istanbul, this edition reflects the event’s expanding reach and symbolic choice of Türkiye as a regional bridge—demonstrating the leadership of emerging and developing economies in global climate innovation.
CLEANTECH DAYS 2025 – JOURNEY BEYOND VIENNA
Istanbul, a connecting point between Europe, Asia and Africa, hosts the Cleantech Days 2025, symbolizing the bridging of regions and cultures in pursuit of a shared green future. Co-organized by UNIDO and the Scientific and Technological Research Council of Türkiye (TÜBITAK), Cleantech Days 2025 aligns with the UNIDO’s vision for the advancement of just energy transition. The event emphasizes the importance of developing long-term, people-centered strategies and policies that not only address the pressing issues of energy access and low-carbon industrialization but also support social inclusion and economic opportunities for all.
Inclusive Participation: Istanbul Cleantech Days 2025 convenes national cleantech champions from GCIP countries as well as finalists of the accelerator programme of the recently launched UN Joint Programme on Inclusive Green Economy Transition in Türkiye supported by the Multi-Partner Trust Fund (MPTF).
Cleantech Days 2025 in Istanbul serves as a bridge – connecting regions, people, and ideas – to accelerate the just and inclusive transition through inclusive innovation, investment facilitation and regional and cross-regional partnerships.
Pillar 1: People • Partnerships • Regional Cooperation
Empowering Inclusive Innovation
Spotlighting cleantech innovators and changemakers. Promoting inclusive ecosystems and impact-driven public-private partnerships. Showcasing how collaboration—across sectors, regions, and communities—accelerates climate solutions.
Connecting for Greater Impact
Exploring regional and cross-regional cooperation opportunities, with a focus on UNIDO-enabled platforms. Highlighting shared challenges, mutual learning, and the role of regional networks in scaling cleantech adoption and entrepreneurship.
Pillar 2: Solutions • Technologies
Innovating for a Just Transition
Showcasing scalable cleantech solutions and business models that support the green and just transition. Featuring renewable energy, circular economy, and low-carbon innovation.
Technologies for System Transformation
Highlighting breakthroughs in clean tech, sustainable design, and circular materials. Emphasizing the role of innovation hubs and technology partnerships in local and global transitions.
Pillar 3: Finance • Investment
Mobilizing Climate Capital
Exploring finance challenges and opportunities to scale cleantech solutions. Highlighting tools, mechanisms, and approaches for unlocking blended finance and risk reduction.
Connecting Innovators and Investors
Enabling connections between cleantech startups and financiers through targeted matchmaking and dialogue. Promoting investment flows that support inclusive and sustainable growth.
Pillar 4: Policies • Ecosystem Support Mechanisms
Enabling Environments for Innovation
Focusing on the policies, incentives, and institutional frameworks needed to scale climate innovation. Supporting green industrial strategies and entrepreneurship.
Systemic Support for Cleantech Scale-up
Highlighting integrated ecosystem support—from regulatory frameworks to capacity-building—to ensure cleantech adoption and market growth across sectors and regions.
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KazRecycling
Develops a waste-free technology to extract rare earth elements—such as neodymium, praseodymium, and dysprosium—from electronic waste. Their process dissolves neodymium magnets in acid, removes iron for reuse, and isolates rare earth metals using recyclable extractants. All materials are reused or safely processed.
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Murat Beton Technology
Develops building materials using oil production waste, aiming to eliminate oil sludge through innovative concrete production. Their materials are designed for sustainable urban infrastructure and industrial waste repurposing.
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FACEPLATE
Develops a data-driven platform for the digital transformation of industrial enterprises. Helps businesses optimize production, automate operations, and reduce environmental impact through real-time analytics and process management.
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Science & Technology Water Center
Develops and applies microalgae-based water purification methods. Operates a testing center and produces various strains of microalgae. Focuses on nitrogen/phosphorus absorption and biological rehabilitation of water reservoirs.
Visit WebsiteCleantech Days 2025 Key Messages at a Glance
INCLUSION FUELS INNOVATION
Diverse voices and ideas drive equitable and impactful climate solutions that benefit society at large.
REGIONAL COLLABORATION SCALES CHANGE
Cross-border partnerships across and between regions accelerate cleantech adoption and open new markets.
ENTREPRENEURS LEAD TRANSITION
Cleantech innovators power climate mitigation efforts and low-carbon industry transition.
ECOSYSTEMS MATTER
Supportive policies, ecosystem-level coordination and partnerships create fertile ground for innovation to grow.
FINANCE UNLOCKS SCALE
Connecting innovators with capital is key to accelerating just transition solutions—but it requires joint action.
Cleantech Days 2025 Co-organisers
Supported by
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