We better start drinking more water to keep the level low.
... but you'd be polluting all the "freshwater" according to environmentalists, never mind just how many millions of dinosaurs and assorted other creatures through whose urinary tracts that "freshwater" has passed over the eons. The filtering and cleansing cycle of evaporation, rain, coursing down rocky streams and into salt water only to evaporate and start the cycle anew doesn't work for some odd reason when human beings are involved. It's as if we're an alien invasive species or something, to them.