Since
1970, there has already been a 58% overall decline in the numbers of
fish, mammals, birds and reptiles worldwide, according to the WWF's latest bi-annual living planet index.
If accurate, that means wildlife across the globe is vanishing at a rate of 2% a year.
"This
is definitely human impact, we're in the sixth mass extinction. There's
only been five before this and we're definitely in the sixth," WWF
conservation scientist Martin Taylor told CNN.
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