The changing Georgia coast picture and the diversity of ocean life will be the focus of a lecture program by Skidaway Institute of Oceanography professors Clark Alexander and Bill Savidge. It is a part of Skidaway Institute’s spring lecture series, “Living with the Ocean.” Teh program will be presented twice, on Monday, April 20, at the Coastal Georgia Center on Fahm Street in downtown Savannah and again on Thursday, April 23, in the library auditorium at Skidaway Institute. Both programs will begin at 7 p.m. Admission is free. For additional information, www.skio.usg.edu.