Apparently in a closed loop cooling system they do, but in areas where water just runs off the mountains they use evaporation and it reenters the water cycle.

Apparently in a closed loop cooling system they do, but in areas where water just runs off the mountains they use evaporation and it reenters the water cycle. I had to say I was wondering why basic non polluting water use would need special attention like this. Apparently it’s a PR meme to divert attention from real problems.