CL:AIRE is a UK charity committed to providing a valuable service for all those involved in sustainable land reuse.
We develop training resources, disseminate information and act as a credible resource for all stakeholders, ensuring we remain at the cutting-edge of best practice and innovation.

 

Improving efficiency & raising standards
Improving efficiency & raising standards
Definition of Waste Code of Practice (DoWCoP), National Quality Mark Scheme for Land Affected by Contamination (NQMS), Asbestos in Soil, SuRF...
Supporting our Members
Supporting our Members
Find out about the benefits of becoming a CL:AIRE Principal or Supporter Member:- Member discounts, Networking, Working Groups, ...
Sharing Knowledge & Developing People
Sharing Knowledge & Developing People
Water and Land Library ( WALL), Continuing Professional development through Training and workshops...
CL:AIRE Membership
CL:AIRE works with its Members to raise awareness and pursue shared objectives in land, water and environmental management by collecting strategic industry information and developing industry initiatives that improve efficiency and save money.
Gas Protection Verification Scheme (GPVS)
The GPVS seeks to raise standards in membrane inspection, verification and reporting and provide confidence that risks associated with ground gases have been adequately managed.
Definition of Waste Code of Practice
The Definition of Waste Code of Practice (DoWCoP) provides a clear, consistent and efficient process which enables the reuse of excavated materials on-site or their movement between sites.

Find out more...Register of materials...
Make a declaration...
NQMS for Land Contamination Management
The National Quality Mark Scheme for Land Contamination Management (NQMS) is developed by the National Brownfield Forum to provide visible identification of documents that have been checked for quality.

 

Conference Videos and Special Publication

Conference Videos

  • Videos of the presentations from the 20th Anniversary Conference are now available to view by delegates and CL:AIRE members. 21 presentations were recorded, 18 from the two parallel sessions plus the 2 keynote speakers and the Chairman's welcome.
  • Please note that in order to watch the videos you will need to login to your account on the CL:AIRE website and your account should be created using your member organisation email address. If you think your account does not have the correct permissions to view the videos, please contact us via the Help Desk.
  • Once logged in, go to Knowledge Centre > Videos & Podcasts > Innovation, Efficiency & Standards - CL:AIRE 20th Anniversary Conference to view all the videos.
  • Three presentations without video have their slides available to download, also for delegates and CL:AIRE Members only (once logged in).

 Special Publication

  • A Special Publication from the 20th Anniversary Conference has been compiled and is now available to download by delegates and employees of Principal and Supporter Member organisations. 20 papers are included, 18 from the two parallel sessions (1 - sustainable soil reuse and the Definition of Waste Code of Practice & 2 - technology and innovation in site investigation and remediation) plus the 2 keynote speakers.
  • You will need to login to your account on the CL:AIRE website to download the publication (your account should be created using your member organisation email address). If you think your account does not have the correct permissions, please contact us via the Help Desk.

 

Presentation List Video Available Paper in Special Publication
Keynote: CL:AIRE - The 20 Year Story - Steve Edgar, VertaseFLI Y Y
Keynote: Communicating Geoscience - Professor Paul Nathanail, LQM Y Y
SUSTAINABLE SOILS & DOWCOP SESSION    
The use of intelligent plant to plan and control complex materials management on construction sites - James Cartwright, GeoStream UK Y Y
The Avenue Former Coking Works Remediation and Regeneration Project (1999-2018) / Verification and DoWCoP - Martin Westwood, Jacobs N, but slides are available here Y
Maximising the Sustainable Re-use of Landfill Materials on Brownfield Sites using DoWCoP - George Evans, Soilfix Y Y
Creating a circular economy and future urban mining in Belgium - Marc  Dillen, Grondbank & Tracimat Y Y
Soils Manufacture - FAB Soil - Mark Fitzsimons & Kate Schofield, University of Plymouth Y Y
A QP’s perspective on DoWCoP: the good, the bad and the ugly - Liz Gray, Atkins Y Y
Sustainability benefits and the value added of recycling excavated site materials - Paul Bardos, r3 Environmental Technology Ltd Y Y
INNOVATION SESSION    
Debunking myths about sustainable remediation - Jonathan Smith, Shell Global Solutions (UK) Y Y
Lessons learned from biodiversity net gain and opportunities for managing complex legacy sites - Tom Butterworth, WSP Y N
The Conceptual Site Model – the building block of sustainable remediation - Alan Thomas & Kevin Leahy, ERM Y Y
New physics for mapping old problems – Tim Grossey, RSK Y N
Innovative LNAPL monitoring and modelling to aid design and delivery of remediation at an operational manufacturing site in the Midlands - David Holmes & Giacomo Maini, Ecologia Y Y
Restoration of chlorinated solvent contaminated groundwater sites: The Value of Information Challenge - Gary Wealthall, Geosyntec N, but slides are available here Y
Recent advances in Subgrade Biogeochemical Reactor technology - Jeff Gamlin and Claudio Albano, Jacobs Y Y
Remediation of aquitards - Jim Wragg, Geosyntec N, but slides are available  here Y
Looking forward for ground gas risk assessment - a new screening approach - Steve Wilson, EPG Y Y
Characterisation and risk management of PFAS in UK context - Ian Ross, Arcadis Y Y
Use of colloidal activated carbon for the treatment of PFAS contamination - Gareth Leonard, Regenesis Y Y
Low temperature thermal desorption of PFAS - Jeff Gamlin, Jacobs Y Y
Developing a new treatment technology for destroying PFAS (DE-FLUOROTM) - Rick Parkman, AECOM Y Y

 

  1. CL:AIRE is looking forward to seeing you at AquaConSoil

    CL:AIRE is looking forward to seeing you at AquaConSoil

     May 2025
    For those of you heading to AquaConSoil from June 16-20, we'd like to draw your attention to several sessions involving CL:AIRE and hope to see some of you in Liège.
  2. Have your say in the 2025 National Environmental Services Survey

    Have your say in the 2025 National Environmental Services Survey

     May 2025
    You’re invited to contribute your opinions and insights to the 2025 National Environmental Services Survey.
  3. Defra consults on improving the implementation of biodiversity net gain for minor, medium and brownfield development

    Defra consults on improving the implementation of biodiversity net gain for minor, medium and brownfield development

     May 2025
    Department for Environment, Food & Rural Affairs (Defra) is seeking views on improving the implementation of biodiversity net gain (BNG) for minor, medium and brownfield development. Further information is
  4. Defra consults on biodiversity net gain for nationally significant infrastructure projects

    Defra consults on biodiversity net gain for nationally significant infrastructure projects

     May 2025
    Department for Environment, Food & Rural Affairs (Defra) is seeking views on the implementation of biodiversity net gain (BNG) for nationally significant infrastructure projects (NSIPs). The government is introducing BNG...
  5. MHCLG announces simpler rules for smaller housebuilders

    MHCLG announces simpler rules for smaller housebuilders

     May 2025
    Ministry of Housing, Communities and Local Government (MHCLG) has announced simpler and more streamlined planning for smaller housebuilders. Further information is available here.
  6. Sustainathon 2025 launches a call for speakers

    Sustainathon 2025 launches a call for speakers

     May 2025
    Sustainathon 2025 has now been launched. This is a 17 hour global marathon dedicated to the Sustainable Development Goals (SDGs). This year, Sustainathon 2025 will dedicate an hour to each SDG.
  7. National Brownfield Forum April meeting notes published

    National Brownfield Forum April meeting notes published

     May 2025
    The National Brownfield Forum April 2025 meeting notes have now been published and are available to download here: April 2025 Meeting Notes Please share the link to the...
  8. Government launches consultation on reforming landfill tax

    Government launches consultation on reforming landfill tax

     May 2025
    The government has published a consultation on reform of Landfill Tax. The consultation seeks views on proposals aimed at supporting the government's ambition to transition to a more circular economy,...
  9. Next GPVS application window opens 1 June 2025

    Next GPVS application window opens 1 June 2025

     April 2025
    The next Gas Protection Verification Accreditation Scheme (GPVS) application window opens 1 June 2025 and closes 31 August 2025. The application window is open to Technician Grade and Specialist...
  10. Contamination and Land Remediation Expo (CLR Expo) 2025

    Contamination and Land Remediation Expo (CLR Expo) 2025

     April 2025
    The Contamination and Land Remediation Expo (CLR Expo) returns for 2025 (16-17 September, NEC, Birmingham) as the premier event for professionals across the geoenvironmental sectors. Whether you're a contractor, environmental...
  11. BSI proposes to revise guidance on investigations for ground gas (BS8576)

    BSI proposes to revise guidance on investigations for ground gas (BS8576)

     April 2025
    The British Standards Institution (BSI) proposes to revise BS8576 - Guidance on investigations for ground gas. Permanent gases and Volatile Organic Compounds (VOCs). A new work item proposal has been...
  12. EAC launches new inquiry to address the risks of PFAS within the UK's regulatory approach

    EAC launches new inquiry to address the risks of PFAS within the UK's regulatory approach

     April 2025
    The Environmental Audit Committee (EAC) has launched an inquiry looking at the risks of PFAS within the UK's regulatory approach. EAC requests written submissions by 5.00pm on 26 May 2025.
  13. EU Council reaches agreement on soil monitoring law

    EU Council reaches agreement on soil monitoring law

     April 2025
    The European Council has reached a provisional deal with the European Parliament on a directive establishing a framework for soil monitoring to improve resilience and manage the risks of contaminated...
  14. UK and Welsh Governments launch joint consultation to reform environmental permitting regulations

    UK and Welsh Governments launch joint consultation to reform environmental permitting regulations

     April 2025
    The UK and Welsh Governments have launched a joint consultation to reform Environmental Permitting Regulations 2016. The proposals relate to flood risk activities, waste operations, water discharge...
  15. Independent review of Defra's regulatory landscape published

    Independent review of Defra's regulatory landscape published

     April 2025
    The independent review carried out by Dan Corry on behalf of Department for Environment, Food & Rural Affairs (Defra), to review environmental regulations has been published. The review has identified major...
  16. Environment Agency publishes guidance on how to get environmental permitting support for major projects

    Environment Agency publishes guidance on how to get environmental permitting support for major projects

     April 2025
    The Environment Agency has published guidance on how to get extra support for projects in England that require a complex range of environmental permits and licences. Further information is
  17. Piling and Penetrative Ground Improvement Methods on Land Affected by Contamination: Guidance on Pollution Prevention

    Piling and Penetrative Ground Improvement Methods on Land Affected by Contamination: Guidance on Pollution Prevention

     March 2025
    In March 2025, CL:AIRE published a new guidance document Piling and Penetrative Ground Improvement Methods on Land Affected by Contamination: Guidance on Pollution Prevention. Download the file here (23MB) This report presents...
  18. CL:AIRE rolling out new membership process for new and renewing members

    CL:AIRE rolling out new membership process for new and renewing members

     March 2025
    Over the next few weeks, CL:AIRE will be rolling out a new membership process for new and renewing members. The process will improve how we capture the data about our...
  19. Launch of Earthbanks project

    Launch of Earthbanks project

     March 2025
    CL:AIRE is excited to formally announce the launch of its new research project, Earthbanks, spearheaded by eight of the top academics in soil in the UK. The Earthbanks project aims to...
  20. CL:AIRE publishes DoW CoP 2024 Auditing Summary Report

    CL:AIRE publishes DoW CoP 2024 Auditing Summary Report

     March 2025
    CL:AIRE continues performing the Definition of Waste Code of Practice (DoW CoP) audits following the procedures published on its website (DoW CoP Auditing Procedures). The audit activities...
  21. BSSS launches new soil podcast

    BSSS launches new soil podcast

     March 2025
    The British Society of Soil Science (BSSS) has launched a new podcast, Soil Matters, a platform dedicated to bridging the gap between cutting-edge scientific research and...