Yes they need to take out some dams that are just not needed.
Look at the damage a beaver dam can do to a road.
Beaver dam collapse destroys roads in Lachute, Quebec - YouTube
Printable View
Yes they need to take out some dams that are just not needed.
Look at the damage a beaver dam can do to a road.
Beaver dam collapse destroys roads in Lachute, Quebec - YouTube
This pretty much hits the nail on the head. Almost any technology is a double-edged sword, and the game is to minimize / justify / outsource the bad impacts. Speaking of a few billion too many mouths to feed, if you've heard of peak oil, try a search for peak phosphorus.
Don't piss off the beavers...do you really think it was an "accidental" collapse or was it planned?