Big Dams Aren't Green

I've long been in favor as hydropower as one of many energy sources to harness in our pursuit of independent from fossil fuels. But I wasn't sure where to draw the line between huge dams like the ones on the Colombia river here in the Northwest, and mini-dams like the one used at Otter Bar to keep the batteries charged. This article from World Watch helps to clarify how big dams are destructive and unsustainable.
( thoughts )