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Every year, we are dangerously warping the climate by putting gigantic amounts of carbon dioxide into the air. But CO2 isn’t merely the by-product of burning fossil fuels—it is also fundamental to how our planet works. All life is ultimately made from CO2, and it has kept Earth bizarrely habitable for hundreds of millions of years. In short, it is the most important substance on Earth. But how is it that CO2 is as essential to life on Earth as it is capable of destroying it?
In The Story of CO2 Is the Story of Everything, award- winning science journalist Peter Brannen reveals how carbon dioxide’s movement through rocks, air, water, and life has kept our planet’s climate livable, its air breathable, and its oceans hospitable to complex life. Starting at the dawn of life almost 4 billion years ago, and working all the way up through today’s global climate crisis and beyond, he illuminates how CO2 has been responsible for the planet’s many deaths and rebirths, for shaping the evolution of life, and for the development of modern human society. And he argues that it’s only by reckoning with this planetary-scale history that we can understand the cosmic stakes of our current moment on Earth—and how dangerous our experiment with the climate really is.
Drawing on groundbreaking research and with a clear- eyed perspective, Brannen shows how a deep exploration of the carbon cycle can shed light on the way forward for humanity as we try to avert environmental catastrophe in the future. And it all begins with a richer understanding of the critical role of CO2 in our world.
Peter Brannen is a contributing writer at The Atlantic. He is the author of The Ends of the World, about the biggest mass extinctions in Earth’s history. His work has also appeared in the New York Times, the Washington Post, and other publications.
Phoebe Cohen is Professor of Geosciences at Williams College in the Berkshires of Massachusetts. Phoebe is a paleontologist, teacher, and science communicator. Her research focuses on understanding the interactions between life and the earth system in deep time by integrating micropaleontological, geological, and biological lines of evidence. In short, she studies ancient tiny fossils to figure out how and why our world got to be the way it is today. Phoebe's research has been funded by the National Science Foundation and NASA. She is also the co-host of the forthcoming podcast Jax and Phoebe Make a Planet, and an advocate for inclusion and equity in the earth sciences and beyond.
Organization/Sponsor: Harvard Book Store, Harvard Division of Science, and Harvard Library.
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Contact Info: science_lectures@fas.harvard.edu
LOCATION: Harvard Book Store STATUS:CONFIRMED DTSTART:20250918T230000Z DTEND:20250919T000000Z END:VEVENT END:VCALENDAR