Sun Day is a global day of action on September 21st, 2025, celebrating the unstoppable rise of clean energy. We’ll come together to showcase the power of the sun and wind, the energy sources that can power our world without pollution. The event will include a rally, information booths from local organizations, and a 5K walk through downtown and the University of Missouri campus. Sponsored by the Sierra Club, Renew Missouri, Mid-Missouri Peaceworks, Peace Nook, and the Mid-Missouri Solidarity Network