Extraordinary human energy consumption and resultant geological impacts beginning around 1950 CE initiated the proposed Anthropocene Epoch

@article{Syvitski2020ExtraordinaryHE,
  title={Extraordinary human energy consumption and resultant geological impacts beginning around 1950 CE initiated the proposed Anthropocene Epoch},
  author={Jaia Syvitski and Colin N. Waters and John W. Day and John Douglas Milliman and Colin Summerhayes and Will Steffen and Jan A. Zalasiewicz and Alejandro Cearreta and Agnieszka Gałuszka and I. Hajdas and Martin J. Head and Reinhold Leinfelder and J. R. McNeill and Cl{\'e}ment Poirier and Neil L. Rose and William Shotyk and Michael Wagreich and Mark Williams},
  journal={Communications Earth \& Environment},
  year={2020},
  volume={1}
}
Growth in fundamental drivers—energy use, economic productivity and population—can provide quantitative indications of the proposed boundary between the Holocene Epoch and the Anthropocene. Human energy expenditure in the Anthropocene, ~22 zetajoules (ZJ), exceeds that across the prior 11,700 years of the Holocene (~14.6 ZJ), largely through combustion of fossil fuels. The global warming effect during the Anthropocene is more than an order of magnitude greater still. Global human population… 

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