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Objects made by humans on planet Earth will weigh more than all living things by the end of this year, say experts. A team at the Weizmann Insitute of Science in Israel has estimated the combined weight of everything humans have manufactured from 1900 to the present day. Unsurprisingly, they found that we have dramatically changed the face of the planet over the last 120 years. Human-made objects added up to just 3 per cent of the Earth’s biomass at the beginning of the 20th century. But now, at the end of 2020, we are at a tipping point where human ‘stuff’ will soon weigh more than the 1.1 teratonnes (1,100,000,000,000 tonnes) of life on earth. The waste we produce was not factored in, but the study estimates that if it had been, the balance may have tipped back in 2013.

Ron miloWeizmann insituteProfessor ron miloரோன் மிலோவெய்ஸ்மேன் கல்விப்ரொஃபெஸர் ரோன் மிலோ