Business Alternative Energy WTTW News | July 26, 2011, 7:00 pm Chicago has become an alternative energy hub. We talk to one of its pioneers about the economic impact of green energy. More on the Story: Tips on greener living & energy usage slideshow More on Michael Polsky More on Barry Matchett More on Naynika Chaubey Environmental Law & Policy Center The Clean Energy Supply Chain in Illinois Chicago Sun-Times article Chicago Tribune article Thanks to our sponsors: View all sponsors Thanks to our sponsors: View all sponsors Related Stories Chicago Aviation Commissioner Looks Ahead as Airport Expansion Plans Take Off Did the Milk Expire? California Moves Away From ‘Sell By’ Food Labels to Cut Food Waste O’Hare Expected to See Busiest Ever Fourth of July Travel Period, City Says Developer Withdraws Rezoning Request for Controversial Data Center in Hoffman Estates Minimum Wage to Increase in Chicago, Suburban Cook County Starting July 1 Supreme Court Ruling Blocks Thousands of Lawsuits Against Maker of Roundup Weedkiller Sign up for our morning newsletter to get all of our stories delivered to your mailbox each weekday. View the discussion thread. Thanks to our sponsors: