Can solar desalination help an increasingly thirsty world? Using the sun to cure Central Valley water woes

Dear EarthTalk: What exactly is solar desalination and how can it help an increasingly thirsty world?   —Maryann Dell’Amore, Howard, MN                         Solar desalination is a technique used to remove salt from water via a specially designed still that uses solar energy to boil seawater and capture […]