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 Traveling Labor Day Weekend? Expect Busy Airports, Heavy Traffic and Higher Costs Travelers Flocked to Illinois Last Year, Generating More Than $88B in Economic Impact Proposed Ford City Mall Redevelopment Sparks Concerns From Some Neighbors Proposed Express Train Would Take People From Downtown to O’Hare Airport in 15 Minutes Storm Recovery Continues in Gary, as Thousands Still Without Power Journalists at Daily Herald Organize to Form Union Following Recent Layoffs 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: