As we confront the realities of a changing climate, a group of scientists says we're living in a world of our very own making - a world altered by the burning of fossil fuels, the explosion of nuclear weapons, plastic pollution and environmental degradation. The scientists call it the Anthropocene. And they have identified a geological site in Canada they say best reflects this new epoch in Earth's history.
We hear from NASA's Chief Scientist and Senior Climate Advisor Kate Calvin. Also, NPR's
Adrian Florido speaks with Francine McCarthy, a professor of Earth Sciences, who led a working group of scientists who identified Canada's Crawford Lake as the best example of a place that demonstrates humanity's impact on the planet.
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