produced by Television Trust for the Environment ; [segment] producer[s], Indira Mansingh, Luciana Burlamaqui ; [segment] directors, Rajiv Rai, Daniel A. Rubio ; [supervising] producer, DJ Tatham
written, produced and directed by Thomas Jennings ; a Frontline production with Left/Right Docs in assocation with 2over10 Media in partnership with ProPublica ; WGBH Educational Foundation