Sustainability: Recovered Phosphorus
Feb. 18, 2014
Phosphorus is a key ingredient in fertilizer used to grow our food, but the supply is finite and shortages could disrupt our food chain. Arizona State University professors James Elser and Bruce Rittmann have recommended a three-part solution to this looming crisis, which involves recovering phosphorus from agricultural and human waste. Elser and Rittman will discuss their proposal.