With rising sea levels and coastal erosion rates in Britain some of the worst in Europe it's about time funding is secured to build a sea wall looping around the whole island of Great Britain to protect communities near the sea. With a coastline of 12.4 thousand km a sea wall could cost £89Bn.
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This problem is a national issue and would require major construction works to complete such a project as this proposed sea wall to protect neighbourhoods and sites such as nuclear power stations from rising sea levels and coastal erosion.