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This text is a history of the world's oldest global conservation body - the World Conservation Union, established in 1948 as a forum for governments, non-govern

The 1994 IUCN Red List of Threatened Animals was a major advance on its predecessors in clarity of layout and amount of information presented. This is taken fur

This book represents the most comprehensive compilation of data on threatened vascular plants ever published. It includes the names of some 33,000 plant species