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Anthropocene    The proposed current geological epoch, in which humans are the primary cause of permanent planetary change.

We have reached an unprecedented moment in planetary history. Humans now arguably change the Earth and its processes more than all other natural forces combined. Climate change, extinctions, invasive species, technofossils, anthroturbation, terraforming of land, and redirection of water are all part of the indelible human signature.

The changes to the Earth System, their causes, and their implications for humanity are described in a review article by W. Steffen and co-authors.