If you enjoy this lesson, we highly recommend reading "The World Without Us." A discounted ebook version is available here: https://amzn.to/2QwSPyH

Check out our book rec page to learn more: https://shop.ed.ted.com/products/the...

View full lesson: https://ed.ted.com/lessons/whatwould...

Human beings are everywhere. With settlements on every continent, we can be found in the most isolated corners of Earth’s jungles, oceans and tundras. Our impact is so profound, most scientists believe humanity has left a permanent mark on Earth’s geological record. So what would happen if suddenly, every human on Earth disappeared? Dan Kwartler investigates.

Lesson by Dan Kwartler, directed by Globizco Studios.

Thank you so much to our patrons for your support! Without you this video would not be possible! Tsz Hin Edmund Chan, Melvin Williams, Tirath Singh Pandher, Athena Grace Franco, Terry Minion, Ian McPherson, Mauricio Basso, Kelvin Lam, Jamesbo87, Tara Frost, Karlee Finch, Chumi Ogbonna, Barthélémy Michalon, Lefty McGoo, Lucas Pincerato, Prefer Anonymous, Mohamed Elsayed, Amin Shahril, Mihail Radu Pantilimon, Chris Thompson, Derek Drescher, Karisa Caudill, Zhong Ming Zenny Tan, Christina Salvatore, Brady Jones, Todd Gross, Alexis Hevia, Heidi Stolt, Daisy Trujillo, Robert Seik, Coenraad Keuning, Charles A Hershberger, Laura Cameron Keith, Abhishek Goel, Max Ngomane, Rafael Kato, Jen O'Hogan, Renu Balak, Marc Bou Zeid, JY Kang, Anastasiia , Madee Lo, Arpita Singh, Karl Laius, Barbarossa , Luca Oradini, TuAnh Nguyen, Melissa Rocha, and Julia Fell.