"Once there was a river, now there's a stone"
It's not just a lyric, you know. The rivers are running dry (some random examples) and stones in river-beds are bad for the backstroke.
How couldn't we have seen this coming? It takes twenty tons of water to make one pound of coffee. A thousand liters to grow a kilo of wheat. Chew on that chapati, Chandu.
Fred Pearce, author and environmental scientist, was on Fresh Air last night. He has a new book titled "Water: The Defining Crisis of the Twenty-First Century" about - you guessed it - the coming global water crisis. Another interview with the author here.
Read and shiver.