See More Hear More Watch More Hear More Get on iTunes
Gizmodo Gizmodo

Cactus Water Treatment Plants

A concept called “Grassroots Cactivism” would use the prickly pear as a renewable centerpiece of a water purifying system to subdue California's drought. The cactus could recycle wastewater without using additional energy, while producing a water-efficient crop that can feed local residents. #tech


More from