toxic metals

Filtering toxic hexavalent chromium from water

Photo credit: Alain Herzog / EPFL Hexavalent chromium continues to contaminate water sources around the world, with one US company…

5 years ago

Engineered sand zaps storm water pollutants

Reclaimed storm water may provide a local source of drinking water for parched communities. (MPCA Photos, via Flickr) UC Berkeley…

6 years ago