1. Department of Earth Sciences, Royal HollowayUniversity of London Egham UK
2. Centre for Atmospheric ScienceUniversity of Manchester Manchester UK
3. 19 Jenkinson Rd., Chisipite Harare Zimbabwe
4. Atmospheric Oceanic and Planetary Physics, Department of PhysicsUniversity of Oxford Oxford UK
5. Department of MeteorologyUniversity of Reading Reading UK
6. National Centre for Atmospheric Sciences (NCAS), School of Environmental SciencesUniversity of East Anglia Norwich UK
7. Department of Chemistry Cambridge UK
8. School of Biological, Earth and Environmental ScienceUniversity of New South Wales Sydney New South Wales Australia
9. Climate Change Research Institute, School of Geography Environment and Earth SciencesVictoria University of Wellington Wellington New Zealand
10. Department of GeologyUniversity of Cincinnati Cincinnati OH USA
11. Department of Physics and Grantham InstituteImperial College London London UK