Lead exposure risks according to housing and poverty data in Humboldt County, CA (left) and Genesee County, MI (right). Data Source: Rad Cunninghnam, Washington State Department of Health / Map Credit: Sarah Frostenson / Web Source: Vox

Lead exposure risks according to housing and poverty data in Humboldt County, CA (left) and Genesee County, MI (right).
Data Source: Rad Cunninghnam, Washington State Department of Health / Map Credit: Sarah Frostenson / Web Source: Vox