Pro-business loopholes allow the American chemical industry to export pesticides to other countries even after they’d been federally banned for their harmful effects. On top of damaging already-marginalized communities abroad, produce treated with these chemicals often returns to the US unchecked, threatening American lives. Grassroots activists all over the world are fighting back, and Evan Mascagni and Shannon Post’s Circle of Poison amplifies their voices, setting the record straight on an international menace to human health.