Usage History of 'anthropogenic'

The following chart shows how frequently 'anthropogenic' appeared in printed materials over time. For example, the word 'anthropogenic' occurred 2 times in books in 1733 and 40,529 times in 2008. From 1733 to 2008, the word 'anthropogenic' was used a total of 583,931 times in books scanned by Google. See Reference: Google Ngram project.

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