Mankind "weighs" 300 million tons. It produced so far 1.1 "anthropogenic" teratons. Global human-made mass now exceeds all living biomass.
This recent "paper" in Nature sheds some light on how to define, evaluate, and make sense of non commensurable data.
Global human-made mass now exceeds all living biomass.
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On average, for each person on the globe, anthropogenic mass equal to more than his or her bodyweight is produced every week