The 2004 Living Planet Report is the fifth in a series of global ecological updates from the WWF. The Report assesses the state of ecosystems around the world using two primary measures: The Living Planet Index, which is based on population trends for hundreds of forest, freshwater, and marine species, and the Ecological Footprint, which is based on human demands on renewable natural resources. The 44-page report shows, among other things, that as human consumption has continued to rise beyond sustainable levels, global animal populations have been declining at a rapid pace. English and Portuguese versions of the 2004 Report are available in portable document format, as well as Reports from 2002, 2000, and 1999. In addition, the site offers a world map animation representing the growth of our ecological footprint during the past few decades.
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