Los Angeles Has Covered its Water With 96 Million Shade Balls to Stop Evaporation During the Drought By Notable Life By Notable LifeView Author|August 12, 2015|Life,View Life TravelView Travel Los Angeles has come up with a clever way to protect its dwindling water supply: shade balls. The city has dispersed 96 million of them over the past few months as it struggles to preserve water amidst an ongoing state-wide... View this article.