1. National Center for Atmospheric Research Boulder Colorado USA
2. University of York Heslington UK
3. Environmental Systems Analysis, Department of Technology Management and Economics Chalmers University of Technology Gothenburg Sweden
4. Department of Geology, Geography and Environment, University of Alcalá Alcalá de Henares Madrid Spain
5. Food and Rural Affairs (Defra) London UK
6. Department of Environmental Sciences Informatics and Statistics University Ca' Foscari of Venice Venice Italy
7. DuPont Company (Retired) Wilmington Delaware USA
8. Division of Environmental Health University of Cape Town South Africa