17 May '12, 2pm

We’ve lost 30 to 70 percent of our wildlife since 1970:

We’ve lost 30 to 70 percent of our wildlife since 1970:

We love wildlife! We love watching it in high definition on our TV screens while David Attenborough says something droll to ease the trauma of looking at a whale penis. (SO FLEXIBLE.) But apparently we don’t love it so much that we’re dedicated to keeping it around. A new report from the World Wildlife Fund (WWF) found that in the past few decades, wildlife populations have declined by about 30 percent : But this average figure masks the fact that in certain ecosystems, it’s way worse. The tropics have lost 50 percent of their animals, and in tropical freshwater ecosystems, the figure’s closer to 70 percent. WWF measures these changes by looking at the population size of vertebrates in different regions and tallying average changes over time. They explain it as being comparable to a stock market index — the species that they pick are like companies tracked by the Dow Jones...

Full article: http://grist.org/list/weve-lost-30-to-70-percent-of-our-w...

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