This video brings together lines of scientific evidence about a sudden, global warming event 56 million years ago. Scientists take viewers to field locations around the world to explore the clues they used to solve this climate change science mystery.
Through data found in deep ocean sediments and the shells of tiny marine animals, in plant and insect fossils in the American west, and through ancient mammal fossils, scientists discovered that ancient warming was caused by a sudden release of greenhouse gases that warmed the planet impacting life both in the ocean and on land. These same heat-trapping greenhouse gases are released by humans today with the potential to replicate this past warming event on an even greater scale.
This video was produced in 2018 for the Smithsonian National Museum of Natural History's David H. Koch Hall of Fossils: Deep Time. naturalhistory.si.edu/exhibit...
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