Reporter @SeraMak used satellite data to analyze land surface temperatures across Chicago, because officials had not bothered to map areas of extreme heat. Now the city will participate in an effort to map differences at street level, using volunteers. chicagotribune.com/news/environme…
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Catch up with Sarah's investigation below; it identifies hotter zones and details disparities by race and ethnicity, as well as unequal access to parks, bus shelters and trees. Today @vivian_la_ reported on the launch of the volunteer mapping effort. chicagotribune.com/investigations…