In the ongoing battle to preserve water during California’s worst drought in history, authorities in Los Angeles have dumped around 96 million black balls into the county’s reservoirs.

LA employs novel way to beat drought.
LA employs novel way to beat drought.

The ‘shade balls’, as they’re known, help stop evaporation, chemical build up and pollution by wildlife, and are a far cheaper way of retaining the state’s shrinking water supplies than alternatives. Read more: dailynews.com 

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