Local organizations will celebrate solar, wind and renewable energy this Sunday, Sept. 21, during Sun Day Houston. Timed with the autumn equinox, the inaugural event will bring together speakers, exhibits, workshops and hands-on activities that promote the adoption of clean power sources outside of Christ the King Lutheran Church at 2353 Rice Blvd., near Rice University. It will take place from 2-4:30 p.m. Featured speakers include: Daniel Cohan, professor of civil and environmental engineeri...