Anthropocene

noun

An·​thro·​po·​cene ˈan(t)-thrə-pə-ˌsēn How to pronounce Anthropocene (audio)
an-ˈthrä-
: the period of time during which human activities have had an environmental impact on the Earth regarded as constituting a distinct geological time interval
In the long history of this planet, our current time, the human age known as the Anthropocene, is the first in which a single species will so rapidly reshape the future of Earth's climate and all the other conditions that make life as we know it livable.Erle C. Ellis
Most scientists agree that humans have had a hand in warming Earth's climate since the industrial revolution—some even argue that we are living in a new geological epoch, dubbed the Anthropocene.Betsy Mason

Word History

Etymology

anthropo- + -cene

Note: The name was formally proposed by the Dutch chemist Paul J. Crutzen and the American biologist Eugene F. Stoermer in "The 'Anthropocene'," Global Change Newsletter (newsletter of the International Geosphere-Biosphere Programme, International Council for Science), No. 41 (May, 2000), pp. 17-18. According to his own recollection, Stoermer employed the word earlier ("I began using the term 'anthropocene' in the 1980s, but never formalized it until Paul [Crutzen] contacted me." —J. Grinevald, La Biosphère de l'Anthropocène [Geneva, 2007], p. 243, cited in Will Steffen, et al., "The Anthropocene: conceptual and historical perspectives," Philosophical Transactions of the Royal Society A, vol. 369 [2011], p. 843).

First Known Use

2000, in the meaning defined above

Time Traveler
The first known use of Anthropocene was in 2000

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Cite this Entry

“Anthropocene.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Anthropocene. Accessed 10 Sep. 2025.

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