Hydropower is actually not so nice when you take into account that it's the reason that many fish species are on the brink of extinction. That's in Europe at le

Hydropower is actually not so nice when you take into account that it's the reason that many fish species are on the brink of extinction. That's in Europe at least but it seems that it's also a problem in the US, see https://www.vice.com/en_us/article/gvm7vq/power-plants-are-boiling-salmon-trout-and-sturgeon-alive https://www.vice.com/en_us/article/gvm7vq/power-plants-are-b...