Why L.A. Uses 'Shade Balls' to Combat Drought

From:Aerial Cities: Los Angeles 24

  • 2m 21s
  • HD
  • TV-PG

One third of L.A.'s water pours into the L.A. reservoir, but evaporation is a major concern. The result: an ingenious solution featuring 96 million plastic 'shade balls' covering the surface of the reservoir.