In this 360° video from the Sierra Nevadas’ Long Valley Caldera and Antarctica’s Mount Erebus, see how volcanoes belch carbon dioxide and other gases into the atmosphere, which has slowly changed Earth’s climate for millions of years.

Learn more by playing NOVA’s Polar Lab: https://to.pbs.org/3aLUMS1
pbs.org/PolarExtremes
#PBSPolarExtremes

Production Intern: Shantal Riley
Edited by: Arlo Pérez & Lorena Lyon
Narrated by: Caitlin Saks
Senior Digital Producer: Ari Daniel
NOVA Labs Editorial Director: David Condon
Music: APM

© WGBH Educational Foundation 2020

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