004/09/2025A-State to Celebrate Earth Day April 22 with Event on Heritage Plaza LawnArkansas State University will celebrate Earth Day from 10 a.m. until 2:30 p.m. on Tuesday, April 22. The theme of the event is “Our Power, Our Planet,” and will be held on Heritage Plaza Lawn. A-State to Celebrate Earth Day April 22 with Event on Heritage Plaza Lawnafternarrow