For those who need evidence

Hydropower Reform Coalition / http://www.dameffects.orgWANT to arm yourself with convincing arguments against dams? Get drawn by the persuasion of canoeists and conser - vationists.

Check out this flash based website that demonstrates how dams impede flow and damage the ecology of river basins.

It is created by Hydropower Reform Coalition, an anti-dam lobby founded in the US in 1992. The website highlights how dams affect water quality, sediment and debris transport, fish passages and river flows.

A click on the site’s forums can link you to a common knowledge reservoir of reports and academic articles. Log on to know what big dams do.