Why scientists suspect proof of a turning point in Earth's history is sitting in a lake in Milton, Ont. | CBC News

Some scientists believe human activity and technology have pushed us into a new geological epoch called the Anthropocene. What they still need to figure out is exactly when this turning point began. A team of researchers believes Crawford Lake west of Toronto has preserved the answer.

— Read on www.cbc.ca/news/canada/toronto/scientists-crawford-lake-sediment-anthropocene-1.4787756

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