NWA Democrat-Gazette/BEN GOFF @NWABENGOFF<br />
Burnetta Hinterthuer (right) of Fayetteville, a professor at Northwest Arkansas Community College and member of the Arkansas Native Plant Society, leads a plant discovery walk Sunday, April 16, 2017 during the 13th annual Earth Day celebration at World Peace Wetland Prairie in Fayetteville. The event hosted by the Omni Center for Peace, Justice and Ecology included guided nature hikes in the park, live music, and other nature activities for all ages.