Strangely enough I have been seeing wetland creation coming up on my radar recently. Hinkley Point C nuclear power station has been proposing these as alternative to acoustic fish deterrent, but the locals who might be affected are not happy.

https://www.bbc.co.uk/news/articles/ckgzwrgv71no

  It would transform the biodiverse habitat into barren, species-poor salt marsh and tidal mud.