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

Find events How we work

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

ApexBrasil and Exame Celebrate P.R.E.S.I. at the Best of International Business 2024 Award in São Paulo

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
funding
News

17. Jan 2025

Clean Awards Funding to Five Danish SMEs for International Expansion

Case

12. Jan 2025

From sensors to health: the link between indoor climate and sick absence

Workshop in Copenhagen with ENDURANCE project
News

10. Jan 2025

ENDURANCE: From tools to practice

Knowledge Bridge 2024 CO2
Case

7. Jan 2025

Flexible measurement system for CO2 capture systems – From theory to test

ApexBrasil and Exame Celebrate P.R.E.S.I. at the Best of International Business 2024 Award in São Paulo
News

21. Dec 2024

ApexBrasil and Exame Celebrate P.R.E.S.I. at the Best of International Business 2024 Award in São Paulo

Knowledge Bridge with KU, FRB and SmartBrønd_2024
Case

19. Dec 2024

Smart Brønd: Unique technology has created greater understanding

Compostable coffee cup
News

16. Dec 2024

Grounded Cups boost circular production through Closing Loops

Knowledge Bridge DBI A4 arkitekter Ingeniører A/S Fire Safety Properties Smoke Density
Case

27. Nov 2024

Old doors get new life and better smoke density

G20 Social 2024 Greennova Conexão 2030 SELECIONADAS Photo Erbs Jr. -18250
News

26. Nov 2024

Rootzone and Partners are creating a greener future

Intensive development process across value chains and disciplines
News

25. Nov 2024

Intense development across value chains and disciplines

Case

22. Nov 2024

Collaboration creates natural plant protection

Knowledge Bridge Industry symbiosis Industrial resource symbiosis Environmental improvements Waste Greenhouse Gas Protocol Product Life Cycle Guideline (GHGP PLC), ISO 14040-44-serien og Product Environmental Footprint (PEF)-methods
Case

11. Nov 2024

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

Clean DTU Event 2024
News

8. Nov 2024

Clean: Self-management and collaboration

Minister for Climate and Energy Lars Aagaard to Danish Pyrolysis and Biochar Forum 2024
News

1. Nov 2024

Denmark’s leading pyrolysis players gather around a hot agenda

Packaging control DPA Packaging waste EU Rules
News

14. Oct 2024

Are you on top of your packaging – and are you registered?

Memberscase Team Visibuilt Members Sustainable Asphalt
Case

8. Oct 2024

Visibuilt: Sustainable asphalt on the roads soon

Water Valley Crops Water Technology
News

5. Sep 2024

Water Valley Innovation Lab opens its doors

Trekantområdet Kraftcentrum Grindsted Sea Bridge
Case

22. Aug 2024

Feasibility study of Kraftcentrum Grindsted – Electrolytic water purification


Events

All events
  • Funding
    Test and develop your innovative and green solution at the Circular Laboratory.

    2024 – 2025

    2. Dec–31. Jan

    Test and develop with The Circular Lab at Roskilde Festival

    Roskilde Festival invites entrepreneurs and startups to participate in The Circular Lab.

  • Workshop

    2025

    24. Jan

    Water Smart Connect Cross Regional Workshop

    Join the Water Smart Connect workshop focusing on cross-border cooperation under the theme ‘Water Smart Society’.

  • Funding

    2025

    7. Feb

    International Funding for SMEs

    Take your business to the next level. Internationalization is the key to growth, and Clean is ready to support you.

  • Webinar
    Business meetings the audience asks a question or offers an idea to the speaker during brainstorming session

    2025

    20. Feb

    Informationmeeting about delegationstrip to Colombia

    Want to sell your solution abroad? Then you can join us in Colombia! Join this webinar to hear about the details of joining our delegation trip to…

  • Workshop
    Aarhus Vand Water technologies Drinking water Wastewater Climate adaptation

    2025

    25. Feb

    Experience Aarhus Vands Water Living Labs

    Visit Aarhus Vand’s Living Labs and explore opportunities for testing and demonstrating new innovative water technologies in drinking water,…

  • DelegationMatchmaking
    Hand Colombian hat Quatape Lake Antio COP16 Event Colorful

    2025

    10.–15. Mar

    Matchmaking in Colombia

    Come and meet Colombian business partners when we arrange a European delegation to visit Colombian SMEs working with circular economy. As part of…

  • bio char

    2025

    26. Mar

    Biochar as an Adsorbent: Exploring Positive and Negative Effects

    Biochar’s ability to absorb various substances, including pesticides, holds significant implications for both environmental sustainability and…

  • Conference
    Photo of people at Loop Forum 2024

    2025

    29.–30. Apr

    LOOP 2025

    Become an exhibitor at LOOP Forum, the most important circular economy, waste and resources event of the year!

  • Delegation
    Lake Louise, Alberta, Canada

    2025

    2.–6. Jun

    CCUS and Hydrogen Delegation to Alberta, Canada

    Join us for an exciting trade promotion trip to Alberta, Canada, focusing on Carbon Capture, Utilization, and Storage (CCUS) and hydrogen…

  • Workshop
    Workshop in Copenhagen with ENDURANCE project

    2025

    10. Jun

    Workshop on Green Acceleration for Cluster Management Teams

    Are you a cluster leader or part of a cluster aiming to integrate green growth, innovation, and strategies from the European Green Deal into your…

  • Matchmaking
    Water Ocean Horizon

    2025

    11.–12. Jun

    Tech Tour Water Tech

    Join TechTour and see the most innovative water startups in the world in Aarhus!