Read a piece by Mary Caperton Morton in EOS on Grand Staircase-Escalante and Bears Ears–part travel log, part history.

“Scientists are hunting for geological evidence to pinpoint exactly when humans became a major force shaping life on Earth. But settling on the date could unleash a larger debate.”

Listen here to learn about different perspectives on the Anthropocene and our Stanford/USGS team’s work to define the Anthropocene in the geologic record.