On the eve of the World Summit for Sustainable Development (WSSD), held in autumn 2002 in Johannesburg, South Africa, United Nations Secretary General Kofi Anna

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A collection of articles on the ecology of North American desert springs, by authors from the fields of biology, botany, ichthyology, conservation, geology and

The loss of the earth's biological diversity is widely recognized as a critical environmental problem. That loss is most severe in developing countries, where t

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