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
G20 Social 2024
News

26. Nov 2024

Rootzone and Partners are creating a greener future

Intenst udviklingsforløb på tværs af værdikæder og fagligheder
News

25. Nov 2024

Intense development across value chains and disciplines

Case

11. Nov 2024

THE UPCYCL: Industrial-symbiosis reveals great environmental benefit of upcycling

News

8. Nov 2024

Clean: Self-management and collaboration

lima- og Energiminister Lars Aagaard til Dansk Pyrolyse- og Biokulforum 2024
News

1. Nov 2024

Denmark’s leading pyrolysis players gather around a hot agenda

Visibuilt-teamet samlet_2024
Case

8. Oct 2024

Visibuilt: Sustainable asphalt on the roads soon

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


Events

All events
  • Matchmaking

    2024

    3. Dec

    Ocean Plastic International Matchmaking – OPIM 2024

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

  • Theme day

    2025

    30. Jan

    Purification technologies, qualities, and requirements for CCS and CCU infrastructure

    Join our seminar to about learn about the opportunities for the future CO2 infrastructure in Denmark