Fairbourne, a coastal village in Gwynedd, Wales, exemplifies the legal, organisational, planning and financial challenges of coastal settlements that are too costly to defend.
Opinions will differ on whether or not Fairbourne qualifies for that description. But it is inescapable that as the years and decades pass other places will fall into that category.
There have been good journalistic explorations of the subject; one is in the Guardian of May 18 2019, and another was featured on Channel 4 on Sept 20, 2019: