An extensive analysis by ProPublica reveals a detailed map of more than 1,000 American communities that are hotspots for carcinogenic air pollution. The worst three are in Louisiana’s “Cancer Alley,” five of the top 20 are in Texas, and predominantly Black areas experience double the cancer risk of white areas. “Go read this investigation on the toxic air crisis plaguing American communities,” the Verge wrote of ProPublica’s investigation. (ProPublica, The Verge)