for National Geographic News
Published August 5, 2011
This story is part of a special National Geographic News series on global water issues.
With 1.8 billion people predicted to live in areas of extreme water scarcity by 2025, desalination—the removal of salt from water—is increasingly being proposed as a solution.
But before desalination can make a real difference solving in the looming water crisis, officials and experts need to commit to overcoming obstacles that make the process expensive and inefficient, a new paper argues.
(Read National Geographic magazine's special water issue online.)
Scientists predict that by 2016, the amount of fresh water produced by desalination plants will exceed 10 billion gallons (38 million cubic meters) a year, or double the rate in 2008.
Read it all here.