Generation Anthropocene

Latest Episodes:

Earth In Human Hands Dec 05, 2016

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"What if life isn't something that happens *on* a planet, but is something that happens *to* a planet? What if the planet itself is alive?" Thus begins one of the many intriguing thought exercises in astrobiologist David Grinspoon's new book, Earth in Human Hands (available Dec. 6, 2016). David has long been a friend of the show, in large part because he possesses a unique ability to bring the geologic imagination to life. His approach to the Anthropocene draws extensively from deep time and close observations of other planets to see what we might learn about our uncomfortable situation here on Earth. If the Anthropocene is part of the geologic time table (it is), and if the geologic time table is largely defined by life (it is), then does our current situation mean something much broader in terms of planetary evolution? David chats with GenAnthro producer Miles Traer about the new book, mind-bending perspectives on time, and why the Anthropocene hopefully marks the start, and not the end, of something quite spectacular. Generation Anthropocene is supported by Stanford's School of Earth, Energy & Environmental Sciences and by Worldview Stanford.
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On the Precipice Oct 26, 2016

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Sometime in the near geological future, the landscape of life on earth as we know it will be transformed. It’s a mass extinction, and it’s only happened five times before in Earth’s history. There have been severe ice ages, perplexing loses of oxygen from our oceans, massive volcanic eruptions, meteor impacts. And now, we’re on the precipice of a sixth mass extinction... and it’s nothing like our planet has ever seen before. In Season 8’s final episode, producer Miles Traer dives into the sixth mass extinction: Are we in it? What can the previous mass extinctions teach us about what’s going on today? And how is it going to affect not just our lives, but the long term trajectory of human evolution? Paleobiologist Jonathan Payne takes us back into the geologic past and searches for biological patterns hidden in the rock record. In the previous moments of ecological chaos, Payne finds a surprising trend that no longer holds true today. Then, biologist Rodolfo Dirzo takes us into the heart of complex ecosystems to find out why large animals are so crucial for their health and survival. Based on experiments in the tropics and in East Africa, he shares what he’s seen when those large animals disappear. Generation Anthropocene is supported by Stanford’s School of Earth, Energy & Environmental Sciences and by Worldview Stanford.
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A Tale of Two Grains Oct 04, 2016

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Food security may be the most important issue we’ll face in the coming decades. With global population on the rise and a changing climate, the future of food is greatly uncertain. These realities have prompted some scientists to start looking at crops that might be well suited to these global changes, foods that are drought resistant and nutritionally rich. That’s where “superfoods” like quinoa and amaranth come in. In this week’s episode, we explore these two crops and their potential to become staple components of our future diets. We first hear from journalist Lisa Hamilton, author of the 2014 Harper’s article “The Quinoa Quarrel.” Then amaranth expert Rob Myers walks us through the relative benefits of quinoa and amaranth, and the challenges to breeding both on a large scale. To wrap it up, Katherine Lorenz shares the story of a nonprofit she founded that uses amaranth to address malnutrition in rural Oaxaca, Mexico. Read Lisa Hamilton’s article “The Quinoa Quarrel” at Harper’s Magazine: http://harpers.org/archive/2014/05/the-quinoa-quarrel/ Learn more about Puente a la Salud Comunitaria: www.puentemexico.org
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Are We Alone in the Universe? Sep 20, 2016

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How did life begin on Earth? Curiously, scientists often search for the answer on other planets or moons in our solar system. After all, if we want to see whether our theories are right, we need to find another example of life somewhere. The search has taken us to some strange places seemingly frozen in time that give us hints to what Earth looked like billions of years ago when life first appeared in the geologic record: places like Mars that show evidence of fossil oceans, and places like Saturn’s moon, Enceladus, that show evidence of liquid water oceans containing organic molecules hidden under an icy crust. NASA astrobiologist Chris McKay has been a member of missions that sent spacecraft to these and other places in search of that elusive other example of life in the universe. He recently sat down with producer Miles Traer to discuss the best current theories for the origin of life on Earth, why Antarctica is a lot like one of Saturn’s moons, the challenges of collecting data from other planets, and the reasons we’re captivated by the question, “Are we alone in the universe?” Generation Anthropocene is supported by Stanford's School of Earth, Energy & Environmental Sciences and by Worldview Stanford.
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Environmental Icon David Suzuki Sep 13, 2016

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This week we bring you an intergenerational conversation featuring David Suzuki, who is a Canadian scientist, activist, and media figure. Since the 1970s, Suzuki has hosted both radio and television shows about the natural world and environmental issues. A self-described “elder,” Suzuki shares his views and long-term perspective on environmentalism with our producer Mike Osborne. Their wide-ranging conversation spans climate change, energy, shortfalls of the environmental movement, and the evolving relationship between humans and Earth’s ecosystems.
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Evolution of Venom Sep 06, 2016

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“In Asia or Africa around 60 million years ago, snakes became more venomous, though scientists aren't quite sure why then and there.” Sometimes understanding global environmental change requires that we simply know how nature works. And not just the pleasant side of nature, but all of it. When we look back through the wonders of Darwinian evolution, we gain a deeper appreciation for certain aspects of the natural world that seem… uncomfortable: things like snakes, spiders, jellyfish, Komodo Dragons, and tiny caterpillars that can easily kill humans. This week, scientist Christie Wilcox takes us on a journey through the evolution of the chemical cocktails we call “venom,” which she wrote about in her new book called, “Venomous: How Earth’s Deadliest Creatures Mastered Biochemistry.” Travel along from venom’s earliest formation, its evolution into a potent weapon, and its further transformation by doctors today as a potentially revolutionary tool in developing new medicines. Image by Brent Myers Licensed under Creative Commons Attribution 2.0 Generic https://creativecommons.org/licenses/by/2.0/ Generation Anthropocene is produced by Miles Traer, Michael Osborne, and Leslie Change. The podcast is supported by Stanford's School of Earth, Energy & Environmental Sciences and by Worldview Stanford.
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The Dino Crater Aug 30, 2016

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One of the best tales of all time from geologic history is the story of the meteor impact that killed the dinosaurs. As it turns out, though, there are still many unanswered questions about what exactly happened the moment the meteor connected with our planet. In fact, until recently, scientists had yet to collect sediment cores from the center of the impact crater. On today’s show, producer Michael Osborne talks with Sean Gulick, co-chief scientist of an expedition that recently drilled the Chicxulub crater off the coast of Mexico. Sean revisits the moment when the asteroid hit, and he discusses what the scientists hope to find from their drilled samples. Also, we have a short segment featuring a conversation with Science Magazine reporter Paul Voosen about a news update from the Anthropocene Working Group.
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Climate Change: The Beginning Aug 24, 2016

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Humans have been altering the climate for a long time – but how long, exactly? This question is central to the Anthropocene debate. When did the human population collectively achieve colossal power that can be equated with geologic power? Was it at the start of the Industrial Revolution? Back during the Agricultural Revolution? And how on earth do climatologists pinpoint a date? This week, producer and resident paleoclimatologist Mike Osborne looks at two inflection points in human activity. Mike first discusses research on the global impact of Industrial Era emissions (newly published in ‘Nature’!) with scientists Nerilie Abram and Kaustubh Thirumalai. He then takes a step back in Earth’s history to the early Agricultural Revolution, and climate scientist Bill Ruddiman’s early Anthropocene hypothesis.
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Our Fashion Footprint Aug 17, 2016

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A trendy outfit has never been cheaper than it is today. Not only that, the fashion industry is churning out new styles so quickly that the entire phenomenon has been dubbed fast fashion. The industry includes retailers like H&M, Forever 21, Zara, and even Target and Walmart. Of course, it’s only natural that we love finding the latest styles at affordable prices. But our clothes have abundant hidden costs for both the environment and people. This week, producer Leslie Chang takes a closer look at the footprint left behind by the fast-moving fashion industry. We hear from journalist Elizabeth Cline, author of ‘Overdressed: The Shockingly High Cost of Cheap Fashion,’ as well as UMass Dartmouth Asst. Prof. Nick Anguelov, author of ‘The Dirty Side of the Garment Industry: Fast Fashion and Its Negative Impact on Environment and Society.’
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Ed Yong, author of 'I Contain Multitudes' Aug 09, 2016

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There are billions of microbes both in and on our bodies. These invisible organisms form complex ecosystems, which are passed on to us as infants through breast milk, help digest food in our guts, and may even be correlated with a growing list of health conditions like obesity, chronic fatigue syndrome, and autism. It’s no exaggeration to say that human life would not be possible without the microbiome. Science writer Ed Yong has been reporting on the microbiome for over a decade, and has just published his first book, ‘I Contain Multitudes: The Microbes Within Us and a Grander View of Life.’ In this conversation with producer Mike Osborne, he reveals the evolutionary roots of the microbiome, what we know – and don’t know – about microbiomes across the human population, and how we as humans both create an imprint and are imprinted upon by the microbes in the environment all around us. Photo credit: Urszula Soltys
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