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The Anthropocene is a proposed epoch dating from the commencement of significant human impact on the Earth’s geology and ecosystems, including, but not limited to, anthropogenic climate change.

The last officially recognized epoch on Earth, the Holocene, began at the end of the last ice age, about 12,000 years ago. Now, climate change, and in particular humanity’s impact on climate change, has led to the suggestion that we are already in a new epoch, the Anthropocene.


David’s most recent book, Earth in Human Hands, was named Best Science Book of 2016 by NPR’s Science Friday, explores how we can take on the possibly existential threat to life on Earth and consciously shape our planet’s future.