Water Pollution

900-year-old 'holy well' discovered that still has clean, drinkable water

Illegal marijuana farms are poisoning Pacific fishers

Alaska startup turns 'fishy' trash into talked-about treasures

Super-absorbent Sponge Park to soak up pollutants along Brooklyn canal

The upside-down world of the Gulf's dead zone

​15 things you should never put down the drain

Elephant seals are raising the mercury levels at this California beach

Artist treats his photographs like we treat the environment

Deadly 'brain-eating' amoeba found in Louisiana water system

Each page from this 'Drinkable Book' can clean 25 gallons of water

Robo-swans add a touch of elegance to water quality testing

Why natural conservation methods matter for the future of urban water supplies