A couple of thoughts.

Sometimes, one has probably hair-brained ideas that one lacks an effective forum for. If one happens to be me, they end up here. I saw a documentary on T.V. a few years ago called "Änglar med skit på vingarna." ("Angels with shit on their wings"; it's in Norwegian).

It is about how eagles are killed by wind turbines along the Norwegian coast; they can't see them.

And I wondered why they don't surround them with a thin wire mesh. Not enough to block the wind, enough to block the birds.

And I have read and listened to a lot of criticism about hydroelectric power.

They wipe of fish; on one major river in Sweden, less than 0.1% of some species survive the journey through the four power stations along it's course.

Plus, rotting vegetation that is a result of flooding caused by the dams can create serious levels of carbon emissions, depending on location; in Brazil, it can take decades for the dams to create enough power to make up for the damage they cause.

Plus, they are made less effective by rivers freezing in the Winter, when power is needed the most.

And I though, why not build smaller turbines, micro-turbines, again with meshing, along the bed of the river? They'd be relatively difficult to maintain, what with silting, but, no dead fish, year round power, no need for dams.

As I said, probably hair-brained. But i don't know who to send them to in order to be ridiculed publicly. So you get to read them. Lucky you! :p