We Finally Know the Immense Weight of Humanity’s Footprint [cheapestps3controller269.blogspot.com]
It should be obvious to everyone at this point that humans are having an enormous impact on the planet. But how much, exactly, does our collective footprint weigh? It may sound odd, but a new scientific paper is offering an answer to that very question: a staggering 30 trillion tons.
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http://gizmodo.com/we-finally-know-the-immense-weight-of-humanitys-footpri-1789684452 We Finally Know the Immense Weight of Humanity’s Footprint
[cheapestps3controller269.blogspot.com] We Finally Know the Immense Weight of Humanity’s Footprint
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