The Damen Silos are pictured on Nov. 10, 2022. (WTTW News)
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The state announced it will enter into exclusive negotiations with MAT Limited Partnership to take over the Damen Silos property. The 23-acre property located along the Chicago River has been vacant for years. 

MAT Asphalt in McKinley Park is pictured in a file photo. (WTTW News)
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In a city where air pollution is an environmental justice issue, local grassroots groups are self-installing, funding and monitoring air pollution monitors to understand the specific threats they face and demand change.

They closed some 44 years ago, but Chicago's Union Stockyards profoundly shaped the development of the city and the modern world. Dominic Pacyga, a local historian and former stockyard worker, tells the story in his new book "Slaughterhouse.” Pacyga joins us tonight.

Tonight's edition of Geoffrey Baer's Biking the Boulevards takes us on a tour through the McKinley Park and Back of the Yards neighborhoods.