A new 20-meter high and 3.5-kilometer wide sea dike, to be constructed 25 kilometers from the existing coastline, is considered a realistic scenario that could protect the Netherlands from rising sea levels. According to engineers who are involved in discussing the recalibration of the Delta Programme, construction of a new dike in 2026 – from Den Helder to Walcheren – will cost some €80 billion. But it would protect our country from flooding for centuries. The plan should be completed in phases by 2060 at the latest and is to be implemented in phases.
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