Earth’s ‘technosphere’ now weighs 30 trillion tons, research finds

https://www.sciencedaily.com/releases/2016/11/161130085021.htm

The planet’s technosphere now weighs some 30 trillion tons — a mass of more than 50 kilos for every square meter of the Earth’s surface, report investigators. Additionally, the numbers of technofossil ‘species’ now outnumber numbers of biotic species on planet Earth. The definition of the term technosphere includes physical human-made structures such as houses, factories, smartphones, computers and landfill.

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