Mike Sanders with NewBo Bike Collective bakes Solar Cookies in an oven made of a file cabinet, carboard and mylar at Ecofest held at the New Bohemia District Saturday April 20, 2013. The festival, hosted by iGreenCR, Cedar Rapids’ sustainability initiative celebrated Earth Day, which falls on Monday, April 22nd by having eco-friendly activites, outdoor music, a nature play area, a green roof tour, an Eco-Film Festival, and an Eco-Market. (Justin Torner/Freelance)