By Maggie Martin
http://stream.publicbroadcasting.net/production/mp3/wual/local-wual-996319.mp3
Tuscaloosa, AL – A University of Alabama sophomore is back in Tuscaloosa after attending a United Nation's climate-change conference in South Africa. John Canada was one of five students nationwide selected by the American Chemical Society to serve as a representative. Alabama Public Radio's Maggie Martin sat down with Canada to talk about his part in the project.