Solving One Of The Biggest Challenges This Century: Water
Desalination is expensive and energy-intensive — and might become necessary to ensure there's enough fresh water to go around.By Evan Thomas | November 18, 2016
Access to fresh water is going to become a big problem for a lot of people. The U.N. says by 2025, at least 1 in 5 people will deal with water scarcity. By 2050, the demand for fresh water will have increased by 50 percent.
There is one solution: filter the world's oceans. We have the technology to turn salt water into fresh water. It could eliminate worldwide water shortages overnight — so why don't we?