Autumn is here, and as the leaves start to change, many Southern Illinois towns celebrate with seasonal Festivals - including the Union County Colorfest (Saturday and Sunday, October 14th and 15th).
On this edition of WSIU InFocus, Kevin Boucher visits with an expert on trees who tells us the fascinating biology, and the reasons behind, leaf change.For more information visit the Illinois Department of Natural Resources at: https://www.dnr.illinois.gov/education/pages/ilfallcolors.aspx