In brief
According to a report cited by WAM, current economic losses from coastal erosion exceed €1 billion a year across 28 European nations and could rise to €800 billion annually by the end of the century if no action is taken. The study urges planners to ban new development, to relocate homes, businesses and infrastructure inland, and to update risk maps and adaptation plans. Examples from France’s 900 km of receding shoreline and Venice’s costly sea‑defence projects illustrate the scale of the problem.
In Brussels, European coastal communities are facing an unprecedented threat of land loss and economic damage, according to a Council of Europe report cited by WAM. The study, titled "How can we cope with coastal erosion?", warns that the economic hit could climb from the current €1 billion a year to as much as €800 billion annually by the end of the 21st century if action is not taken.
WAM reports that the report identifies 28 countries on Europe’s shores as being affected, with a concentrated loss that counts 40 percent of the continent’s GDP. It notes that 80 percent of low‑lying coastline is now at risk and that a sharp increase in sea‑level rise and storm surges is already eroding shoreline at an accelerating pace.
The council’s recommendations are straightforward but costly: a planned retreat of coastline assets, the banning of new construction within a buffer zone, and the relocation of existing homes, businesses, road and rail infrastructure to places that are less susceptible to erosion. An integrated risk‑mapping exercise and periodic review of no‑build zones is also advised, along with adaptation plans that weigh legal, social and financial consequences of each option.
In France, the report cites the loss of about 900 kilometres of mainland shoreline, with more than 500 municipalities affected. The document states that these communities are already working with local authorities to draw up relocation plans that would move critical infrastructure inland and protect vulnerable residents from day‑to‑day flooding.
Venice offers a stark illustration of the costs involved. The report notes that the city can erect dikes for roughly €4.5 billion or build a super levee that would initially cost just over €30 billion. Nevertheless, both options are temporary, with the council suggesting that a monumental relocation of the city’s historic landmarks could become necessary if sea‑level rise climbs above 4.5 metres after 2300. This move could cost up to €100 billion, according to the study.
While the Council of Europe seeks immediate action, Wisevoter’s summary of the report echoes WAM’s warning that current erosion losses already surpass €1 billion a year across Europe’s 28 coastal nations. It further stresses the urgency of the projected €800 billion annual loss by century’s end, emphasizing that delay would only compound the economic burden.
Ultimately, the report underscores that Europe’s future prosperity depends on how quickly its coastal regions can adapt. By moving inland, banning new coastal developments and investing in relocation strategies, the continent could preserve both its economic stability and its cultural heritage for generations to come.


