Celebrate Earth Day 2023 on the South Side, with Friends of the Riverfront, REI, South Side Community Council, and more! Join us along the Three Rivers Heritage & Water Trails in South Side Riverfront Park for trail-based activities, outdoor vendors, volunteer opportunities, food, music, and fun! Attendees can win a $100 REI giftcard and other prizes! Free REI Bike Tech Repairs Kids Litter Kit Decorating Contest (all participants receive a free Litter Kit!) Engage with bikes, kayaks, and more.