American GreenFest is hosting a three-day green living festival called GreenFest at Roosevelt Field mall in Garden City, NY from June 11-13. The festival will feature over a dozen green businesses educating visitors on sustainable products and ideas. Admission is free during mall hours on Friday from 10am-9:30pm, Saturday from 10am-9:30pm, and Sunday from 11am-7pm. Upcoming GreenFests will also be held at Smith Haven Mall in Lake Grove in September and Walt Whitman Mall in Huntington Station in October.