Dorothy H. Radbruch-Hall
Bruno Messerli
Robert J. Art
Marcelo Firpo de Souza Porto
East-West Gateway Coordinating Council.
Harry Francis Ferguson
B. A. Novakovskiĭ
Unknown Author
African Climate Policy Centre
United States. Environmental Protection Agency. Clean Air Markets Division
Charles W. Hartman
Petra Ahrens
United Kingdom Critical Loads Advisory Group.
Peterson, Mark
Kirovskiĭ oblastnoĭ komitet po okhrane prirody
Göttingen (Germany). Oberstadtdirektor.
South Yorkshire. County Council. Environment Department.
Elie Toudonou
Environmental Research Institute of Michigan