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Understanding Dredging

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New Working Group for Greenhouse Gas Emissions from Sediments


The EU’s nationally determined contribution (NDC) under the Paris Agreement is to reduce greenhouse gas emissions by at least 40% by 2030 compared to 1990. Countries, cities and regions, businesses and civil society members across the world are taking action to accelerate cooperative climate action in support of the Paris Agreement.

The dredging industry is taking its responsibility, with the reduction of GHG emissions from dredging and support equipment being the main focus at the moment. However, it has recently come to the attention of the CEDA Envrionment Commission (CEC) that GHG emissions in dredging projects do not only come from the equipment used, but also from the sediment that’s being dredged, transported and disposed.

The CEC has decided to initiate a Working Group (WG) to elaborate on this subject. A draft ToR (see related documents) is prepared by the CEC as a first step towards the preparation of an information paper.

The main objective of the paper is to inform the dredging industry about this subject, about its nature, extent and relevance for the industry. The paper should make clear that this is an important subject that needs attention, more research and needs to be dealt with by decision makers. It should provide measures that can contribute to the reduction of GHG emission by (wet) soil excavation, transport and deposition. It should also explain the role and the responsibility of the dredging industry related to this emission of GHG.

If you would like to join this new Working Group, please reach out to Mieke van Loenen (, by 26 May 2023. Please provide a brief curriculum vitae along with a brief description of relevant experience.

[Please note: the costs incurred in taking part in the Working Group will have to be borne by the participating member or their company/organisation, and this should be taken into consideration when expressing interest.]