Global Human-Made Mass Exceeds All Living Biomass

“Our stuff can be broken down into ingredients, of which concrete and aggregates take a gargantuan share…. Then come bricks, asphalt and metals. On this scale, plastics are a minor ingredient—yet their mass is still greater, now, than that of all animals on Earth.”
University of Leicester Palaeobiologists Jan Zalasiewicz and Mark Williams, elaborating on a new study published in Nature that calculates in 2020 human constructions have attained the same mass as all living organisms on Earth
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