By Robert Etienne, Caroline Palmer
By Hanbury-Tenison, Robin
By Lye, Keith
By Adam, Heribert
By Pritchett
By Hershatter, Gail
By Marcus, Harold G
By Andrews, Jonathan
By MacDougall, Doug
By Clark, Lindie
By Bodin, Örjan
By Guinness, Paul
By Sheriff, R. E., Geldart, L. P.
By Cattermole, Peter, Moore, Patrick
By Telford, W. M., Geldart, Lloyd Philip, Sheriff, R. E., Keys, D. A.
By Bullen, K. E.
By Crosby, Alfred W.
By Duncan, James S.
By Fowler, C. M. R.
By Chapman, Jenny L., Reiss, Michael
By Alma, P. J.
By van Andel, Tjeerd H.
By Boone, Catherine
By Bryant, Edward
By Dessler, Andrew E., Parson, Edward A.
By Read, Peter
By Carter, Neil
By Burroughs, William James
By Intergovernmental Panel on Climate Change
By Spence, Keith