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Founded in 1948, The World Conservation Union brings together States, government agencies and a diverse range of non-governmental organizations in a unique world partnership: over 1,000 members in all, spread across some 140 countries. As a Union, IUCN seeks to influence, encourage and assist societies throughout the world to conserve the integrity and(More)
Using data for 25,780 species categorized on the International Union for Conservation of Nature Red List, we present an assessment of the status of the world's vertebrates. One-fifth of species are classified as Threatened, and we show that this figure is increasing: On average, 52 species of mammals, birds, and amphibians move one category closer to(More)
Humans depend on biodiversity in myriad ways, yet species are being rapidly lost due to human activities. The ecosystem services approach to conservation tries to establish the value that society derives from the natural world such that the true cost of proposed development actions becomes apparent to decision makers. Species are an integral component of(More)
Human-induced land use changes are the primary drivers of a range of infectious disease outbreaks and emergence events and also modi-fiers of the transmission of endemic infections (Patz et al. 2000). These land use changes include deforestation, road construction, agricultural encroachment, dam building, irrigation , coastal zone degradation, wetland(More)
r t u n a te ly, scientists studying these c h a n ges have now acc u m u l a ted enough information to provide strong predictions of what can be expected if we do not intervene. Recent analyses suggest that in the next five years, for example, Mesoamerica (Mexico to Panama) is likely to lose 10% of its remaining natural vegetation, with the resulting(More)