Clean Air Council’s 11th Annual Greenfest Philly presented by Toyota Hybrids returns to Headhouse Square (2nd and South Streets) on Sunday, September 11, 2016 from 10:00am to 4:00pm. The tri-state region’s largest environmental festival and tastier than ever - with new cooking demonstrations with Miss Rachel’s Pantry, P’unk Burger and Revolution Taco, plus organic food vendors, free coffee from Joe Coffee, outdoor beer garden and edible bugs. Festivities will also include live music, group bike rides, free adult and kids’ yoga, hybrid vehicle test drives, handmade and green shopping, MOM’s Organic Market Kids’ Corner and a twenty-five foot rock wall. Admission is free. For more information, visit the website, call 215-567-4004, and follow @greenfestphilly on Twitter.