We’re wasting away our water reserves. The world’s supply of cheap and clean water will likely plummet as the climate warms and populations boom. Can we find ways to conserve, cut waste, and find new sources before it’s too late? The Future of Water is part of What Happens Next, a series of deeply reported short documentaries that examine aspects of life poised to transform radically in the next decades. We’ve spent two years traveling the world to find the people who aren’t simply making predictions about the future, but are already living them out.