A panel discussion is set for tonight at the University of North Georgia’s Gainesville campus on the Civil War’s aftermath, including environmental impact on Georgia, Reconstruction and political effects. Glen Kyle, executive director of the Northeast Georgia History Center in Gainesville, will facilitate the discussion, which is part of a “Civil War at 150” series the college is holding. George Justice, lecturer of history, will speak on “A Conventional End to a Sovereign Practice: Another Constitutional Consequence of the American Civil War.”