In honor of National Kids to Parks Day, the Massena Nature Center is hosting a spring clean-up activity for kids 5 – 12-years-old on Saturday, May 17th from 1 – 3pm. Following the clean-up activity, kids will go on a guided hike to collect geometry in nature. All items will be grouped by shape, photographed, and posted onto Facebook. This event is part of the Jr. Earth Keepers club hosted by the Massena Nature Center, 19 Robinson Bay Rd., Massena. Call (315) 705-5022 for details. www.massenanaturecenter.org.