> Is it because we're currently maxing out the hydro-electric potential of the earth so there's no more gains to be had I'm sure this is not the case, but ther

> Is it because we're currently maxing out the hydro-electric potential of the earth so there's no more gains to be had I'm sure this is not the case, but there are often environmental and political concerns around hydro. For example, Ethiopia's new dam on the Nile river has caused tension with their neighbours, who're worried about the control it gives Ethiopia over the water supply in the river [0] [0] https://edition.cnn.com/2020/07/21/africa/ethiopia-nile-river-dam-afr-intl/index.html https://edition.cnn.com/2020/07/21/africa/ethiopia-nile-rive...