Global wildlife halved in 40 years, reveals WWF

Posted: October 1, 2014 in Natural History
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A very worrying report.

Green Living London

lion_1_19451 Pic: WWF

Global wildlife populations have halved in just 40 years, according to new research by scientists at the World Wildlife Fund (WWF) and the Zoological Society of London (ZSL).

Creatures across land, rivers and the seas are being decimated as humans kill them for food in unsustainable numbers, while polluting or destroying their habitats, the WWF’s Living Planet Report 2014 found.

The key findings are:

  • Populations of mammals, birds, reptiles, amphibians and fish have declined by an average of 52% since the 1970s.
  • Freshwater species populations have suffered a 76% decline, an average loss almost double that of land and marine species.
  • The worst declines have been observed in the Tropics.

The report draws upon the Living Planet Index, a database maintained by the Zoological Society of London, which monitors trends in over 10,000 populations of 3038 species since the 1970s. It also looks at how human consumption levels…

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