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Your introduction to 'shade balls'
Chris Hayes talks to LA Times writer Alice Walton about shade balls - what they are, where they come from, and why Los Angeles has put 96 million of them in a reservoir.
All In America California
Can desalination solve California's water problems?06:29
California's largest lake on the brink of environmental disaster03:26
Who decides how to distribute water during a drought?05:20
Should companies bottle water in a drought?06:01
Farming through a drought07:12
Conundrums of the California drought05:42