His work has explored themes of migration, farming, poverty and the environment in his native rural California and in southern Mexico. Recent photo essays have been published in The New Yorker, Mother Jones, and Vice Magazines. His work has been profiled by National Geographic, The New York Times, National Public Radio, Time and Slate, and has been honored by the Robert F. Kennedy Memorial Foundation, the Magnum Foundation Emergency Fund, World Press Photo, the Pulitzer Center on Crisis Reporting, Pictures of the Year International, the Alexia Foundation, and the Center for Cultural Innovation, among others.