Clean is the innovation space for those who develop and need to solve water and environmental challenges.

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Clean is The Danish Water and Environmental Cluster and our vision is for Danish companies to be world leaders in the water and environmental field. We are the innovation space for both those who develop water and environmental solutions and those who need to solve water and environmental challenges.

How we work

News

Water Valley Innovation Lab opens its doors

Small and medium-sized enterprises (SMEs) in water technology now have a unique opportunity to strengthen their competitiveness and contribute to the green transition.

Read more


The water and environmental technology sector

71.000 +

full-time jobs in the sector, of which 49,171 jobs in water and environmental technology companies

165,2 B

DKK 119.1 billion in turnover in the cluster, of which DKK 119.1 billion in water and environmental technology companies

57,4 B

DKK in exports, of which DKK 52.8 billion in water and environmental technology companies

3.7 %

of the whole Danish export comes from the water and enviornmental sector

9.700 +

scientific articles published regarding water and environmental technology from 2018 to 2023

839

water and environmental technology companies in Denmark

The Danish Water & Environmental Cluster


Clean membership

Innovation

You can expect concrete activities tailored to promote innovation in your company.

New markets

You can explore new markets and expand your company’s international presence.

Network

You’ll have the opportunity to meet your next customer, supplier, investor, or business partner.

Knowledge

As a member, you get access to unique research and the opportunity to shape the future of water and environmental technology knowledge.

Visibility

We showcase our members nationally and internationally and share your company’s success stories.

Projects

You’ll have access to a wide portfolio of projects in areas such as circular economy, water, waste and resources.


Latest news

All news
News

5. Sep 2024

Water Valley Innovation Lab opens its doors

Case

19. Jun 2024

Solum: Robotic sorting provides up to 90% clean waste fractions for recycling

News

7. Jun 2024

Tighter legislation against PFAS opens up new innovation opportunities

News

17. May 2024

Eight new knowledge bridge projects approved for testing and demo of environmental technology solutions

Case

15. May 2024

Updrift Copenhagen: Sustainable climate adaptation

News

15. May 2024

Three members of Clean receive funding for international opportunities


Events

All events
  • Delegation

    2024

    22.–24. Oct

    CCUS delegation trip to Hamburg and Carbon Capture Technology Expo

    One of the world’s largest for CCUS and Hydrogen, the 2-day expo is an opportunity to engage with the world’s leading experts and companies, learn…

  • Conference

    2024

    24. Oct

    Clean’s Annual Meeting 2024

    Clean invites everyone in the Danish Water and Environmental ecosystem to Clean’s Annual Meeting on October 24, 2024!

  • Delegation

    2024

    25.–28. Oct

    COP16 side-event

    Clean and our sister cluster CTC Colombia are present at COP16 with some side events that you are welcome to join!

  • Delegation

    2024

    27. Oct–1. Nov

    Startup Program: Climate Tech Accelerator 2024

    Scale your Danish climate tech startup globally with our Silicon Valley program, offering insights from top innovators and access to the VERGE24…

  • ConferenceNetwork

    2024

    28. Oct

    Waterexport Day 2024

    Get the latest knowledge from the industry, export markets and political priorities, take part in presentations and discussions in breakout sessions,…

  • Conference

    2024

    30. Oct

    Danish Pyrolysis & Biochar Forum 2024

    Join us at the first ever Danish Pyrolysis and Biochar Forum 2024, where we will strengthen the Danish pyrolysis industry through innovative…

  • Theme day

    2024

    31. Oct

    Sustainable product development of electronics and materials

    Following up on the success from last year, we are happy to announce this year’s conference on sustainability.

  • ConferenceTheme day

    2024

    1. Nov

    Next generation Carbon Capture technologies

    Participate in shaping the future of Carbon Capture Technologies.

  • Conference

    2024

    11.–16. Nov

    Exhibit at G20 Social: Connect with Latin America

    We are excited to invite you to the G20 Social in Rio de Janeiro from November 11 to 16, 2024.

  • Matchmaking

    2024

    3. Dec

    Ocean Plastic International Matchmaking – OPIM 2024

    Participate in this year’s matchmaking event OPIM 2024, focusing on ocean plastic.