Nothing they rock
Dams can bring both benefits and problems to the environment. Dams affect the land and environment over a large area. These dams are also good targets for terrorist activity.
dams
Sometimes dams slow the water down, and makes the water build up, causing floods.
When they put dams around crops.
by using a lot water
dams
there are about 50 dams
The flooding has all but been solved by dams, but there is a pollution and other problems. The links below addresses just one aspect of construction and a paper on pollution
how many dams in the river rhine11 dams whith hydropower stations .
19 dams
18 dams are in pakisthan
No, but it does have weirs.