> Research now shows that at least 1.2 million instream obstacles block river flows in 36 European countries, with about 68% less than 2m (6.6ft) in height I t

> Research now shows that at least 1.2 million instream obstacles block river flows in 36 European countries, with about 68% less than 2m (6.6ft) in height I think we are talking about those dam, not the big ones. > "Absolutely nobody is proposing to blow up or remove barriers which are in use," clarifies Garcia de Leaniz, "We are targeting barriers which are obsolete, which are no longer providing any services to society, that have silted up, and pose a flow hazard."