Wildflower hikes at Goll Woods are a great way to discover the state's 134 nature preserves. Head there Saturday, April 25, for trips that leave at 11 a.m. and 1 p.m. The Ohio Grocers Association is launching a program to simplify recycling of plastic bags. This looks like a great way to commemorate Earth Day. Columbus Outdoor Pursuits has tons of bike rides this month, including a full slate starting Saturday, April 18. (ODNR photo)