1. Dorset Environmental Science Centre; Ontario Ministry of Environment; 1026 Bellwood Acres Road Dorset Ontario Canada P0A 1E0
2. Institute for Sustainable Cities; City University of New York; NY 10065 USA
3. CSIRO Land and Water; Black Mountain; GPO Box 1666 Canberra ACT 2601 Australia
4. Department of Civil Engineering; Auburn University; Auburn AL 36849 USA
5. School of Earth and Environment; University of Western Australia; 35 Stirling Highway Crawley WA 6009 Australia
6. New York City Department of Environmental Protection; 71 Smith Ave Kingston NY 12401 USA
7. Department of Geography; Nipissing University; 100 College Drive, Box 5002 North Bay Ontario Canada P1B 8L7