The city of Sao Paulo is home to 20 million Brazilians, making it the 12th largest mega-city on a planet dominated by shortsighted humans. Shockingly, it has only 60 days of water supply remaining. The city "has about two months of guaranteed water supply remaining as it taps into the second of three emergency reserves," reports Reuters. - See more at: http://upriser.com/posts/alarm-bells-toll-for-human-civilization-as-world-s-12th-largest-mega-city-to-run-out-of-water-in-just-60-days#sthash.NoZG7Ee1.dpuf
What do you do when one of the world's largest cities runs out of water?