Drought drives greater household use of gray water

Strands of silver hair fell into Annie Costanzo's face as she wielded a sledgehammer against the brick walkway in her backyard. Plumes of dust and debris filled the air, and reddish-pink shards scattered in the wake of the 64-year-old sculptor's latest water conservation project.

via L.A. Times - Science http://ift.tt/1JLDbXc