LaManda Joy of The Peterson Garden Project and Dan Kosta from Vern Goers Greenhouse in Hinsdale talk about organic solutions to this year's influx of aphids. Listener Frank Frelka reports on the Midwest Renewable Energy Association's 2013 Energy Fair. Arnold Randall, General Superintendent of the Forest Preserve District of Cook County, talks about how that body is celebrating its 100th anniversary. Paul Hollingsworth, certified arborist from The Care of Trees, talks about vascular diseases of trees, such as Dutch Elm Disease, and how to look out for them.