US Environmental Protection Agency National 2014 Air Toxics Assessment based on emissions of toxic air pollution from industrial sources. Cancer Alley is the cluster of dark blue in Louisiana, representing the area with the highest cancer risk in the nation. Source: US Environmental Protection Agency, “2014 NATA,” https://www.epa.gov/sites/default/files/2020-07/documents/nata_2014_summary_of_results.pdf (accessed January 10, 2024).

© 2014 United States Environmental Protection Agency