In 2015, Los Angeles used 96 million plastic balls to fight drought, but researchers found their production needed up to 766 million gallons

In an innovative effort to curb evaporation, Los Angeles has deployed millions of shade balls across its reservoir. These floating balls serve a dual purpose: they prevent water loss and protect drinking supplies from dangerous chemical reactions caused by sunlight. Even though creating these balls involved significant water use, they take up to two and a half years to offset that consumption.
Read more at the source

Disclaimer: The content of this post is sourced from external sites and is for informational purposes only. All rights and credits belong to the original authors and publishers.