The Last Time the Globe Warmed

Learn more about CuriosityStream at http://curiositystream.com/eons Check out our podcast Eons: Mysteries of Deep Time: http://ow.ly/2J4450Iu69U Imagine an enormous, lush rainforest teeming with life...in the Arctic. Well, there was a time -- and not too long ago -- when the world warmed more than any human has ever seen. (So far) PBS Member Stations rely on viewers like you. To support your local station, go to http://to.pbs.org/DonateEons Produced for PBS Digital Studios. Special thanks to Nobumichi Tamura for allowing us to use his work: http://spinops.blogspot.com/ Want to follow Eons elsewhere on the internet? Facebook - https://www.facebook.com/eonsshow Twitter - https://twitter.com/eonsshow Instagram - https://www.instagram.com/eonsshow/ References: https://www.colorado.edu/today/2010/08/24/new-study-shows-how-tortoises-alligators-thrived-high-arctic-some-50-million-years-ago http://advances.sciencemag.org/content/3/3/e1600891.full http://geology.geoscienceworld.org/content/38/1/15.full?ijkey=Gz6vWfTZzGpv6&keytype=ref&siteid=gsgeology http://www.sciencedirect.com/science/article/pii/S0012821X15003994 http://science.sciencemag.org/content/192/4241/781 https://www.researchgate.net/publication/245029249_Plant_response_to_a_global_greenhouse_event_56_million_years_ago http://www.pnas.org/content/105/10/3815.full http://onlinelibrary.wiley.com/doi/10.1029/1999GB001195/abstract https://www.e-education.psu.edu/earth103/node/639 https://earthobservatory.nasa.gov/Features/Paleoclimatology_OxygenBalance/ http://www.palaeontologyonline.com/articles/2011/the-paleocene-eocene-thermal-maximum/ http://www.nature.com/ngeo/journal/v9/n4/abs/ngeo2681.html http://cdiac.ess-dive.lbl.gov/trends/emis/tre_glob_2014.html http://cdiac.ess-dive.lbl.gov/ftp/ndp030/global.1751_2014.ems https://www.sciencealert.com/carbon-emissions-now-higher-than-they-ve-been-since-the-dinosaurs-went-extinct https://www.nature.com/ngeo/journal/v4/n7/full/ngeo1179.html https://ucsdnews.ucsd.edu/pressrelease/disappearance_of_coral_reefs_drastically_altered_marine_food_web_on_the_hor https://earthobservatory.nasa.gov/Features/GlobalWarming/page3.php http://www.ei.lehigh.edu/eli/cc/resources/readings/iscurrent.pdf http://people.earth.yale.edu/paleoceneeocene-thermal-maximum http://pages.geo.wvu.edu/~kammer/g231/PETM.pdf http://www.scotese.com/newpage9.htm http://all-geo.org/highlyallochthonous/2010/01/coal-and-the-fossil-record-of-climate-change-in-the-canadian-high-arctic/ http://academic.evergreen.edu/z/zita/meetings/Chau07/present/CarbonCycle.pdf http://naturalhistory.si.edu/ete/ETE_People_Wing_ResearchThemes_Wyoming.html https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4948332/ http://ngm.nationalgeographic.com/2011/10/hothouse-earth/kunzig-text/1 http://www.sciencedirect.com/science/article/pii/S0921818117300723 https://www.livescience.com/15597-primate-oldest-fossil-fingernails.html https://news.nationalgeographic.com/news/2002/11/1121_021121_PrimateOrigins_2.html http://electronic-earth.net/3/19/2008/ee-3-19-2008.pdf https://www.geolsoc.org.uk/Geoscientist/Archive/June-2014/The-Arctic-Azolla-event https://www.nature.com/articles/ngeo1179.epdf?referrer_access_token=4VJfM12-Bke0u7yNAQrdW9RgN0jAjWel9jnR3ZoTv0M9N_6CDYtcTDVJIMWPdxeFMCNsV3K0EIxvtcQpV06fZjTyZ6T7lyyizBoY0zL-CPBpPMJv986FX1njYRF-W4EqSgQKe-_W5T0FLgJSTENZSAmV35S5lMgxuhsef9Pka9vKqPOphclpl-VY46vMc7XzaZ-fGB50Pf9PxuqM28eLeGSconG9lypd3899nbUJc3d-lGFGN4s8I1IHHwdgcNOk&tracking_referrer=www.bbc.com http://www.whoi.edu/fileserver.do?id=136084&pt=2&p=148709