?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=J&rft.au=Syvitski%2C+J&rft.aulast=Syvitski&rft.title=Communications+Earth+%26+Environment&rft.atitle=Extraordinary+human+energy+consumption+and+resultant+geological+impacts+beginning+around+1950+CE+initiated+the+proposed+Anthropocene+Epoch&rft.issue=1&rft.date=16+October+2020&rft.volume=1&rft.genre=article