[mschuster91]

... which is why I linked to the Three Gorges Dam in the paragraph where I described the issues with dammed storage, and made an entirely separate paragraph describing the issues of pumped storage.

[pydry]

Thats exactly my point. You assumed they share the same environmental characteristics i.e. you're confusing them.

They do not: https://www.energy.gov/eere/water/articles/lower-environment...

(this is the second citation to a relevant scientific study in this thread. the first one was also mine)

This is getting to seem a bit like those screeds I see about wind farms killing all the birds from nuclear, oil and gas people who see it as a threat.