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Published online by Cambridge University Press: 24 August 2009
* Obtainable from the Foundation's Agent, Box 1632, 1211 Geneva 1, Switzerland, on receipt of an International Money Order or banker's cheque made out to The Foundation for Environmental Conservation for US $15 per copy for individuals or $25 for institutions (postage free in both cases). For contents of Environmental Challenges I: From Stockholm to Rio and Beyond and how to obtain copies while stocks last, see inside of back cover of Environmental Challenges II or recent issues of Environmental Conservation.