1. Civil and Environmental Engineering
2. University of California
3. Berkeley
4. USA
5. Stanford University
6. Stanford
7. National Institute of Water and Atmospheric Research Ltd.
8. Hamilton
9. New Zealand
10. University of Washington
11. Seattle
12. École Polytechnique Fédérale de Lausanne
13. Lausanne
14. Switzerland
15. Civil, Environmental, and Architectural Engineering
16. University of Colorado
17. Boulder
18. School of Earth Sciences and Engineering
19. Nanjing University
20. Nanjing
21. China
22. Institute for Biogeochemistry and Pollutant Dynamics
23. ETH
24. Zurich
25. University of Illinois
26. Urbana-Champaign
27. Urbana
28. Department of Energy, Environmental and Chemical Engineering
29. Washington University
30. St. Louis
31. Epidemiology, Human Genetics and Environmental Sciences
32. University of Texas Health Science Center
33. El Paso
34. Civil, Structural, and Environmental Engineering
35. University at Buffalo
36. Civil and Urban Engineering
37. New York University
38. University of Michigan
39. Ann Arbor
40. National Exposure Research Laboratory
41. US Environmental Protection Agency
42. Athens