42:49
Liquid Assets: The Big Business of Water
With fresh water making up only 3 percent of the world’s supply, are we looking at a global crisis in the making? Some say it’s already upon us—whether for drinking, growing crops, or proper hygiene, shortages are emerging all over the planet....
27:31
Watery visions: is the future potable?
In a dramatic reversal of policy since apartheid, South Africa has become a model of water fulfillment. Despite being one of the driest regions on Earth, India's Rajasthan is an oasis due to the revival of a system of ancient rain basins. This progr...