Re:Costa Rica has gone 76 days using 100% renewable electricity
by mastax on Friday September 09, 2016 @03:16PM
(#12465263)
The wikipedia article links to this: http://e360.yale.edu/feature/blocked_migration_fish_ladders_...
Not exactly a glowing recommendation.
It seems a lot like those 'nature bridges' over highways that animals never use. A nice idea if it worked, but they don't.
https://en.wikipedia.org/wiki/Fish_ladder
Poorly built dams can damage the environment. Except you know, its 2016 and we've figured out how to preserve the environment while providing clean energy now.