Lisa Albrecht, alternative energy expert for The Mike Nowak Show, and member of the Illinois Solar Energy Association, explains why this state is ready to relegate coal and gas energy to the dustbin of history. Dr. Andrew Bell, curator of the Chicago Botanic Garden collection of woody plants, talks about Trees for 2050, a new study that examines which trees now growing in the Chicago region will be able to thrive as we move through the 21st Century. Arborist Pat Etherington from The Care of Trees gives advice on planting new trees.