August 4, 2015 5:35 pm Chicago Parks Use Fertilizer Made From Human Waste A funny smell is noticeable in several parks across Chicago, and it’s all due to the fertilizer used on its grass, which is made from human waste. NBC 5’s Christian Farr reports. Local 2:33 Monday morning weather 2:23 CHICAGO'S FORECAST: Chances for Rain Fill the Work Week 1:30 Fallen police officers honored during annual Saint Jude Memorial March 2:18 Latest forecast from the NBC 5 Storm Team 2:13 Mayor proposes to relocate migrants from downtown shelter to Chicago's South Side