Article Sources Sort by first letter of source name. A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # U-T San Diego U.S. Department of Veterans Affairs U.S. News U.S. Right to Know UAB UC Davis UC Food Observer UC Irvine UC San Diego UC Santa Barbara UCA News UCL UCLA UConn Today UCSF Uganda Media Centre UK Human Rights Blog Umea University UN Conference on Trade and Development UN Food and Agriculture Organization UN Food and Agriculture Organization Undark Undercurrent Undercurrent News Union Bulletin Union Leader Union of Concerned Scientists United Nations United Nations News Centre United News of Bangladesh United Press International United Soybean Board United States Department of Agriculture United States Department of Energy Universidad de Navarra University Affairs University College London University of Adelaide University of Alabama at Birmingham University of Alberta University of Arizona University of Arkansas University of Bath University of British Columbia University of California University of California Berkeley University of California Davis University of California Irvine University of California Los Angeles University of California Merced University of California Riverside University of California Riverside Magazine University of California San Diego University of California San Francisco University of Cambridge University of Cape Town Press University of Chicago University of Chicago Medical Center University of Chicago Medicine University of Chile University of Colorado University of Copenhagen University of Delaware University of Dundee University of East Anglia University of Edinburgh University of Exeter University of Florida University of Geneva University of Georgia University of Georgia Today University of Glasgow University of Guelph University of Hawaii University of Hawaii at Manoa University of Helsinki University of Hertfordshire University of Hong Kong University of Illinois University of Illinois at Urbana-Champaign University of Illinois College of ACES University of Kentucky University of Konstanz University of Leeds University of Leicester University of Luxembourg University of Manchester University of Maryland University of Massachusetts Amherst University of Melbourne University of Michigan University of Minnesota University of Missouri-Columbia University of Montreal University of Münster University of Nebraska-Lincoln University of Nevada University of New Hampshire University of New Mexico University of North Carolina University of North Carolina - Chapel Hill University of North Carolina Healthcare News University of Otago University of Ottawa University of Oxford University of Pennsylvania University of Pennsylvannia Law Review University of Pittsburgh University of Purdue University of Queensland University of Rochester University of Saskatchewan University of Sheffield University of Southern California University of St Andrews University of Surrey University of Sussex University of Sydney University of Tennessee University of Texas University of Texas at Austin University of Tokyo University of Toronto University of Utah University of Vienna University of Virginia University of Warwick University of Washington University of Waterloo University of Western Australia University of Wisconsin University of Wisconsin-Madison University of Wisconsin-Milwaukee University of Wisconsin-Stout University of York University of Zurich Unlocking Life's Codes Unscience Universe Unz Review UPI Uppsala University Uptown Radio Upworthy Urban Homestead Honey Urban Organic News Urban Times US Department of Agriculture US Department of State US Food Policy US News & World Report US News and World Report US Right to Know US State Department USA Today USAPP USC USDA USDA Agricultural Foreign Service Utrecht University UVM Food Feed