Swansea Bay Tidal Lagoon given planning consent
The World’s first tidal lagoon has been given the go ahead 9th June 2015
https://www.gov.uk/government/news/swansea-bay-tidal-lagoon-project-gets-green-light-on-planning
See thoughts on the proposal by Dr Philip Bratby at http://www.bishop-hill.net/blog/2015/6/9/the-proposed-swansea-bay-tidal-lagoon.html