Funny , I always thought water ran down hill so barrage lagoons at a height of 1 mtr above high tide level would have very little impact on any water level above the tide line . The lagoon being filled by out going water would perhaps slow the out going flow a little and possibly create much more animal and marine diversityBut RSPB officer Peter Jones warned a barrage, while producing clean electricity, would alter wildlife eco-systems further upstream.
"The non-human natural world will be the victims of global warming," he said.
"At the current rate, more than a third of land-based species will be on the road to extinction by 2050.
"We have a moral duty not to destroy the planet's biodiversity."
The last bit is cut and pasted from the article.
the RSPB persons concerns are already a concern. i can't see how something like this could [email protected] up the planet any more. great idea and a snip at 234 million or what ever. in real money probabley 5 times more and i don't expect to see it in my life time. shame realy.