Achim Steiner, executive director of the U.N. Environment Programme (UNEP), speaks during a debate with winners of the Sophie Prize for human rights and environment, entitled "From Know-How to Do now", in Oslo June 5, 2007. In the background (L-R) are: Wangari Maathai of Kenya, Nnimmo Bassey of Nigeria and Goeran Persson of Sweden.