"Half of Global Wildlife Populations Declined Since 1970, Says WWF"

"The worst decline was among populations of freshwater species, which fell by 76 percent over the four decades to 2010, while marine and terrestrial numbers both fell by 39 percent."

"Populations of about 3,000 species of wildlife around the world have plummeted far worse than previously thought, according to a new study by one of the world's biggest environmental groups.

The study Tuesday from the Swiss-based WWF largely blamed human threats to nature for a 52-percent decline in wildlife populations between 1970 and 2010.

The conservation group's Living Planet Report, published every two years, said humankind's demands were now 50 percent more than nature can bear, with trees being felled, groundwater pumped and carbon dioxide emitted faster than Earth can recover."

John Heilprin reports for the Associated Press September 29, 2014.

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"Earth Lost 50% of Its Wildlife in the Past 40 Years, Says WWF" (Guardian)