The Joplin Community Tree Recovery Campaign -- a joint effort of the Arbor Day Foundation and the Wildcat Glades Conservation & Audubon Center -- continues a multi-year campaign by providing 4,000 trees free of charge to Joplin residents on Saturday, April 26 from 10 a.m. to 2 p.m. at Wildcat Glades Conservation & Audubon Center, 201 W. Riviera Drive Suite A, Joplin, 64804, to replace trees damaged and destroyed by the May 2011 tornado.