I wondered the same thing about the solar panels. Three meters is possibly the depth of that pond.
As for the pre-treatment in you videos, it's being funded and performed anyway. They're just taking advantage. It probably wouldn't be viable (assuming it even is) otherwise.
edit:
I was watching a Youtube video on the Shauberger Trout Turbine, when I saw a mention of this:
nytimes.com:RADIATION DANGER FOUND IN OILFIELDS ACROSS THE NATION
[All caps in original] This is from 1990, before fracking became popular. 'Produced' water contains radium, they just dumped it on the ground.
2nd edit:
Scot Adams weighs in on the topic:
It sounds like he wants to be Dave Ruben, but he mentions Bill Gates being in favor of nuclear power .....and Thorium
When I reloaded this page to add an edit, vBulletin dropped me back to 2018-03-13 Permalink # 1089-90 when Frank Lee and I were discussing music videos. So because it's a new year, and people are down on Baby It's Cold Outside, here is
this:
[Not sure how you expose the URL only. You have to go to Youtube for this one.]