Ever wanted to know how music affects your brain, what quantum mechanics really is, or how black holes work? Do you wonder why you get emotional each time you see a certain movie, or how on earth video games are designed? Then you’ve come to the right place. Each week, Sean Carroll will host conversations with some of the most interesting thinkers in the world. From neuroscientists and engineers to authors and television producers, Sean and his guests talk about the biggest ideas in science, philosophy, culture and much more.
https://www.preposterousuniverse.com/podcast/
episode 65: Michael Mann on Why Our Climate Is Changing and How We Know
We had our fun last week, exploring how progress in renewable energy and electric vehicles may help us combat encroaching climate change. This week we’re being a bit more hard-nosed, taking a look at what’s currently happening to our climate. Michael Mann is one of the world’s leading climate scientists, and also a dedicated advocate for improved public understanding of the issues. It was his research with Raymond Bradley and Malcolm Hughes that introduced the “hockey stick” graph, showing how global temperatures have increased rapidly compared to historical averages. We dig a bit into the physics behind the greenhouse effect, the methods that are used to reconstruct temperatures in the past, how the climate has consistently been heating up faster than the average models would have predicted, and the relationship between climate change and extreme weather events. Happily even this conversation is not completely pessimistic — if we take sufficiently strong action now, there’s still time to avert the worst possible future catastrophe.
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Michael Mann received his Ph.D. in Geology and Geophysics from Yale University. He is currently Distinguished Professor of Atmospheric Science at Pennsylvania State University, with joint appointments in the Departments of Geosciences and the Earth and Environmental Systems Institute. He is the director of Penn State’s Earth System Science Center. He is the author of over 200 scientific publications and four books. His most recent book is The Tantrum that Saved the World, a “carbon-neutral kids’ book.”
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