Barrage Advantages
  1. Renewable energy - 5% of the uK's electrical energy - more if we include wind , wave and PV accessories.
  2. Protection against inundation of Cardiff, Newport, Gloucester, Bristol and Severnside settlements and agricultural land from global - warming induced sea level rise.
  3. Clarification of the turbid water of the Severn Estuary, leading to less disease risk and better amenity.
  4. Protection of bird feeding grounds from eventual inundation by sea level rise
  5. A third Severn Crossing
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