Chimp Haven will host its Second Annual Earth Day Festival, held in conjunction with Chimpanzee Discovery Day, 9 a.m.-1 p.m. on Saturday, April 20. Located 22 miles southwest of Shreveport, La., in the Eddie D. Jones Nature Park in Keithville, La., Chimp Haven serves as The National Chimpanzee Sanctuary. The annual Earth Day Festival includes opportunities to view resident chimpanzees, as well as food, art and exhibits by local environmental organizations, businesses and artisans. Admission to the festival is free.