The Severn Barrage – what are the pros and cons?

The idea of a tidal barrage across the Severn estuary between England and Wales has been around for a long time, but it is being considered more seriously due to climate change and high energy prices.

In 2007, the Sustainable Development Commission gave it’s backing for a barrage:

Here area some details of the plan from 2008:

The idea has detractors for environmental and economic reasons:

At the beginning of 2009, a shortlist of possible plans had been drawn up:

Environmental opinion was still divided:


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