Great Acceleration

Surge in human activity and impact upon the Earth

The Great Acceleration is the dramatic, continuous and roughly simultaneous surge across a large range of measures of human activity, first recorded in the mid-20th century and continuing into the early 21st century. Within the concept of the proposed epoch of the Anthropocene, these measures are specifically those of humanity's impact on Earth's geology and its ecosystems. Within the Anthropocene epoch, the Great Acceleration can be variously classified as its only age to date, one of its many ages, or its defining feature that is thus not an age, as well as other classifications.

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