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.

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