Mayor Brandon Johnson looks on as Grace and Peace Church Pastor John Zayas speaks about efforts to help shelter the 1,250 migrants sleeping at Chicago police stations and at O’Hare International Airport on Nov. 28, 2023. (Heather Cherone / WTTW News)

Mayor Brandon Johnson touted what he called the “Unity Initiative” as his city officials announced that crews will start building the frame of a winterized base camp to shelter as many as 2,000 people near 38th Street and California Avenue as soon as Wednesday.

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.

(WTTW News)

Chicago has been creeping up the list for a few years. In 2019, the city ranked number 18. Three years later, the levels of pollution landed the Windy City in the 16th spot.