1. Center for the Environmental Implications of Nanotechnology, Duke University, Durham, North Carolina 27708, United States
2. Civil & Environmental Engineering, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, United States
3. Department of Biology, Duke University, Durham, North Carolina 27708, United States
4. Forestry & Environmental Resources, North Carolina State University, Raleigh, North Carolina 27695, United States
5. Department of Civil and Environmental Engineering, Duke University, Durham, North Carolina 27708, United States
6. LEITAT Technological Center, C/de la Innovació 2, 08225 Terrassa, Barcelona, Spain
7. Department of Environmental Science, Baylor University, Waco, Texas 76706, United States
8. Department of Ecosystem and Conservation Sciences, University of Montana, Missoula, Montana 59812, United States
9. Duke University Wetland Center, Nicholas School of the Environment, Durham, North Carolina 27708, United States
10. Department of Geosciences, Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24061, United States
11. Pacific Northwest National Laboratory, Richland, Washington 99354, United States
12. Department of Biology, Baylor University, Waco, Texas 76706, United States
13. Department of Plant and Soil Sciences, University of Kentucky, Lexington, Kentucky 40506, United States