Nearly wiped out Mono Lake. If you go there these days, you'll see that conservation efforts are bringing it back very slowly. See https://en.wikipedia.org/wik

Nearly wiped out Mono Lake. If you go there these days, you'll see that conservation efforts are bringing it back very slowly. See https://en.wikipedia.org/wiki/California_Water_Wars https://en.wikipedia.org/wiki/California_Water_Wars