(via Is Humanity Pushing Earth Past a Tipping Point? | Wired Science | Wired.com)
A full  20 percent of Earth’s net terrestrial primary production, the sheer volume of life produced on land every year, is harvested for human purposes.

(via Is Humanity Pushing Earth Past a Tipping Point? | Wired Science | Wired.com)

A full 20 percent of Earth’s net terrestrial primary production, the sheer volume of life produced on land every year, is harvested for human purposes.

Source: Wired

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