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Publication / 12 mei 2026

Sand and Sustainability: An Essential Resource for Nature and Development

A new report by the United Nations Environment Programme (UNEP), Sand and Sustainability: An Essential Resource for Nature and Development, warns that global demand for sand is exceeding ecological limits. Large-scale extraction of sand from marine and coastal ecosystems is leading to biodiversity loss, damage to coastal communities and increasing risks in an era of climate change. Dutch dredging companies play a prominent role in this as global market leaders in large-scale sand extraction and land reclamation. “Our analyses show that the dredging sector operates globally within a system in which ecological damage and the consequences for coastal communities are systematically underestimated, whilst transparency and effective oversight are often lacking,” says the Dutch environmental and human rights organisation Both ENDS, which contributed to the report.

Key findings:

  • The global expansion of sand extraction and land reclamation is partly driven by Dutch dredging companies, despite growing concerns about damage to nature and coastal communities in, among others, the Philippines, Indonesia and the Maldives
  • An estimated 6 billion tonnes of sand and sediment are extracted from marine and coastal ecosystems worldwide every year. This growing sand extraction takes place against a backdrop of fragmented regulation, limited monitoring and inadequate impact assessments, particularly at sea.
  • The result is that large-scale sand extraction and land reclamation – in which Dutch dredging companies, banks and export credit insurers also play a significant role – contribute to the degradation of vulnerable marine ecosystems and coastal communities. This runs counter to the objectives of the Kunming–Montreal Global Biodiversity Framework, to which the Netherlands, among others, has committed.

Sand is essential for modern infrastructure, but according to the report, it is still treated as an abundant and barely regulated raw material. Meanwhile, approximately 50 billion tonnes of sand are used worldwide each year, and demand for construction and land reclamation alone continues to rise.

The extraction of sand from rivers, deltas and, in particular, marine areas has major consequences for ecosystems that are essential for coastal protection, water quality, fisheries and biodiversity. The report emphasises that these systems are often overlooked in policy and public debate, allowing the sector to grow largely under the radar into one of the largest mining activities in the world.

Dutch research

The Dutch environmental and human rights organisation Both ENDS contributed to the report on the social and ecological impacts of large-scale dredging projects, with case studies from the Philippines, Indonesia and the Maldives, developed in collaboration with local partner organisations. These case studies demonstrate how sand extraction not only causes ecological damage but also has direct consequences for coastal communities.

In addition, the organisation contributed to the report by exposing the structural governance problems within the internationally operating dredging sector. Although large dredging companies often endorse international environmental and social standards, in practice it appears that responsibility for negative impacts is shifted onto project developers or governments, which often lack the capacity to effectively bear this responsibility.

The report also highlights the role of financial institutions. Development banks, export credit insurers and commercial banks, including Dutch ones, play a crucial role in facilitating sand extraction and dredging projects, but in practice take insufficient measures to protect biodiversity and communities.

Murtah Shannon, a senior expert on water governance and environmental justice at Both ENDS, contributed to the report: “This report shows that companies, governments and banks, including Dutch parties, are failing when it comes to protecting coastal and marine areas. Our analyses show that the dredging sector operates globally within a system where ecological damage and the consequences for coastal communities are systematically underestimated, whilst transparency and effective oversight are often lacking. Together with UNEP, we will continue to advocate for sustainable sand management at local, national and international levels in the coming period.”

Growing pressure on marine ecosystems

The report highlights that sand extraction at sea and in coastal areas is increasing rapidly. This leads to significant damage to ecosystems, a decline in fish stocks and increased vulnerability to climate change due to sea-level rise and storm surges. Furthermore, the analysis of marine sand extraction shows that a significant proportion of dredging activities takes place in or near protected areas, raising questions about the effectiveness of existing protection and enforcement.

Call for better governance and transparency

In the report, UNEP calls for better regulation, stronger monitoring and greater transparency in licensing and funding flows relating to sand extraction. It also advocates for national and regional strategies to manage sand in a more sustainable manner. This is particularly relevant for the Netherlands given the international standing of the dredging sector and the role of Dutch financial institutions in financing infrastructure and dredging projects worldwide.

About the report

Sand and Sustainability: An Essential Resource for Nature and Development is the third global report on sand by the United Nations Environment Programme, compiled by 27 international experts. It will be published on 12 May and offers policy recommendations and practical tools for more sustainable sand management at local, national and regional levels.

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Sand and Sustainability: An Essential Resource for Nature and Development

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