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When will the next ice age happen? - Lorraine Lisiecki


13,405 Questions Answered

TEDEd Animation

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Throughout Earth’s history, climate has varied greatly. For hundreds of millions of years, the planet had no polar ice caps. Without this ice, the sea level was 70 meters higher. At the other extreme, about 700 million years ago, Earth became almost entirely covered in ice, during an event known as “Snowball Earth.” What causes these swings in the planet’s climate? Lorraine Lisiecki investigates.

Describe three factors that contribute to cooling during an ice age.

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TED-Ed Animations feature the words and ideas of educators brought to life by professional animators. Are you an educator or animator interested in creating a TED-Ed Animation? Nominate yourself here »

Meet The Creators

  • Educator Lorraine Lisiecki
  • Director Bálint Farkas Gelley
  • Script Editor Emma Bryce
  • Storyboard Artist Daniel Gray
  • Designer Petra Lilla Marjai
  • Animator Iván Tamás, Rebeka Király
  • Producer Bella Szederkényi
  • Composer James Wood
  • Associate Producer Bethany Cutmore-Scott, Elizabeth Cox
  • Content Producer Gerta Xhelo
  • Editorial Producer Alex Rosenthal
  • Narrator Pen-Pen Chen
  • Fact-Checker Francisco Diez

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