Pushed by necessity, the country’s least sustainable region evolved to master its water use. As climate heats up, other cities may adopt similar tactics.

Scientists are "digitizing" water to better manage the precious resource. What does that mean and how is it helping?

Water is simultaneously one of the few things we absolutely cannot live without, and one of the things we value least. There's an economic rationale behind that.

This week in sustainability news: rats v. kiwis, radiation links in midcentury Soviet Union, and an American town with no running water.

Municipal water treatment just got easier, cheaper, and more efficient. And it's all thanks to an unlikely helper: bacteria.