1. School of GeoSciences; University of Edinburgh; UK
2. Lancaster Environment Centre; Lancaster University; Lancaster UK
3. NASA Goddard Institute for Space Studies and Columbia University; New York New York USA
4. National Institute of Water and Atmospheric Research; Lauder New Zealand
5. Met Office Hadley Centre; Exeter UK
6. Department of Meteorology; University of Reading; Reading UK
7. NOAA Geophysical Fluid Dynamics Laboratory; Princeton New Jersey USA
8. Department of Earth and Environmental Sciences, Lamont-Doherty Earth Observatory; Columbia University; Palisades New York USA
9. European Commission, Joint Research Centre JRC; Institute for Environment and Sustainability; Ispra Italy
10. Institut für Energie- und Klimaforschung-Troposphäre (IEK-8); Forschungszentrum-Jülich Germany
11. Cornell University; Ithaca New York USA
12. rdscientific; Newbury Berkshire UK
13. Office of Policy Analysis and Review, Environmental Protection Agency; Washington, DC USA