Chicago — With a variety of palm-size devices strapped across her chest and connected wirelessly to her smartphone, Gail Merritt discovered the air in Chicago’s South Loop might be a lot dirtier than expected. Merritt and her group of…
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Chicago — With a variety of palm-size devices strapped across her chest and connected wirelessly to her smartphone, Gail Merritt discovered the air in Chicago’s South Loop might be a lot dirtier than expected. Merritt and her group of…