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Deep time is the measurement of Earth’s chronology on the scale of geologic events and epochs. Based on Earth’s 4.54-billion-year history, deep time is almost unimaginably vast – far more so than conceptualizations of time based on the human lifetime. This means that, much like “deep space,” deep time can be a difficult idea to fully grasp.
Climate Lit is an initiative of the Center for Climate Literacy at the University of Minnesota’s College of Education and Human Development.