Global river water pollution: exploring current challenges and future prospects

David M Hannah1, Benjamin W Abbott2, Kieran Khamis3, Christa Kelleher4, Iseult Lynch5, Stefan Krause5 and Adam S Ward6,7, (1)University of Birmingham, School of Geography, Earth and Environmental Sciences, Birmingham, B15, United Kingdom, (2)Brigham Young University, Department of Plant and Wildlife Sciences, Provo, United States, (3)University of Birmingham, Birmingham, B15, United Kingdom, (4)Lafayette College, Easton, United States, (5)University of Birmingham, School of Geography, Earth and Environmental Sciences, Birmingham, United Kingdom, (6)Indiana University, School of Public and Environmental Affairs, Bloomington, IN, United States, (7)Oregon State University, Biological and Ecological Engineering, Corvallis, OR, United States