1. School of Geography, Earth and Environmental Sciences University of Birmingham Birmingham UK
2. School of Earth, Environment & Society McMaster University Hamilton Ontario Canada
3. Department of Geography and Environment University of Lethbridge Lethbridge Alberta Canada
4. Department of Biological Sciences University of Alberta Edmonton Alberta Canada
5. Department of Geography and Environmental Management University of Waterloo Waterloo Ontario Canada
6. Department of Earth and Atmospheric Sciences University of Alberta Edmonton Alberta Canada