SunDay is a global day of action on September 21st, 2025, from 10am -2 pm, 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. We will host tours of solar arrays, EV showcase, a job fair, workshops on climate change and clean energy, speakers, exhibitors, music and kid friendly activities. Join the Sierra Club, Renewable Energy Long Island, the Long Island Clean Energy Hub, Drive Electric Long Island, the United Way and more!