Anthropocene and Heard

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What's in a name? “Holocene” defines the geologic epoch we're in. Or were in? Goodbye to “Holocene” and hello “Anthropocene!” Yes, scientists may actually re-name our geologic era as the “Age of Man” due to the profound impact we've had on the planet.
We'll examine why we've earned this new monikor and who votes on such a thing. Plus, discover the strongest evidence for human-caused climate change.
Also, why cities should be celebrated, not reviled… a musing over the possible fate of alien civilizations … and waste not: what an unearthed latrine – and its contents – reveal about ancient Roman habit and diet.
Guests:

William Steffen – Climate scientist and the Executive Director of the Climate Change Institute at the Australian National University, Canberra
Simon Donner – Geographer at the University of British Columbia in Vancouver
Edward Glaeser – Economist, Harvard University, author of Triumph of the City: How Our Greatest Invention Makes Us Richer, Smarter, Greener, Healthier, and Happier
Douglas Vakoch – Director of Interstellar Message Composition at the SETI Institute
Mark Robinson – Director of Environmental Archaeology at the University of Oxford
Erica Rowan – Doctoral student, University of Oxford

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