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‘We’re actually leaving a geologic record of human activity’: Ont. lake marks new chapter in Earth’s history

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‘We’re actually leaving a geologic record of human activity’: Ont. lake marks new chapter in Earth’s history

July 11, 2023

Small and nestled in a spot about an hour's drive west of Toronto, Crawford Lake has been selected by a panel of scientists to represent a new chapter in Earth's history: the Anthropocene epoch. Jeff Semple explains what the small body of water reveals about how much humans have profoundly altered the planet, and why it matters.

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