1. University of Pittsburgh, Pittsburgh, PA, USA.
2. Union of Concerned Scientists, Cambridge, MA, USA.
3. Northeastern University, Boston, MA, USA.
4. Open Environmental Data Project, New Orleans, LA, USA.
5. University of Maryland, College Park, MD, USA.
6. Brown University, Providence, RI, USA.
7. Rutgers University, New Brunswick, NJ, USA.
8. University of California, Irvine, Irvine, CA, USA.
9. University of Oslo, Oslo, Norway.