Deep Time, Mass Extinctions, and Today

The Great Simplification #103 with Peter Brannen

Today, I’m joined by Peter Brannen, science journalist and author specializing in Earth’s prior mass extinctions, to unpack our planet’s geologic history and what it can tell us about our current climate situation. Humans have become very good at uncovering the history of our planetary home - revealing distinct periods during billions of years of deep time that have disturbing similarities to our own present time.

Peter Brannen is an award-winning science journalist and contributing writer at The Atlantic. His work has also appeared in The New York Times, The Washington Post, Wired, Aeon, The Boston Globe, Slate and The Guardian among other publications. His 2017 book, The Ends of the World covers the five major mass extinctions in Earth's history. Peter is currently a visiting scholar at the Kluge Center at the Library of Congress and an affiliate at the Institute of Arctic and Alpine Research at the University of Colorado-Boulder. He was formerly a 2018 Scripps Fellow at CU-Boulder, a 2015 journalist-in-residence at the National Evolutionary Synthesis Center at Duke University, and a 2011 Ocean Science Journalism Fellow at the Woods Hole Oceanographic Institution in Woods Hole, MA.

How is the carbon cycle the foundation of our biosphere - and how have changes to it in the past impacted life’s ability to thrive? On the scales of geologic time, how do humans compare to the other species who have inhabited this planet - 99% of which have gone extinct - and will we end up being just a blip in the fossil record? How can an understanding of geologic and climate science prepare us for the environmental challenges we’ll face in the coming decades?

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In case you missed it…

In this year-end special episode, I reflect back on 2023 with a series of clips which together highlight the increasingly challenging world of which we are a part. Though each podcast and guest is unique, viewing these clips together reveals why we must take a systems view in our response to the human predicament. As 2023 draws to a close, I wanted to share the most impactful podcast moments for me and my worldview this past year.

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