Global Extinction Crisis & Biodiversity
Timothy Herman for the for the International Union for Conservation of Nature (IUCN)
New research documents the long term decline of the earth’s biodiversity: What species are most at risk and some conservation efforts that are making a difference.
Associate Director of Wildlife Conservation & Global Warming at the National Wildlife Federation, co-author of study "The Impact of Conservation on the Status of the World’s Vertebrates"
Doris Duke Chair of Conservation Ecology at the Nicholas School of the Environment at Duke University.
ornithologist and senior director for biodiversity assessment at Conservation International.
manager of the International Union for Conservation of Nature’s Red List Unit and a lead author of "The Impact of Conservation on the Status of the World’s Vertebrates"