See how the huge ozone hole over Antarctica has grown in 2021 in this NASA video

A new NASA video highlights the giant ozone hole that opened over Antarctica this year.

A cold Southern Hemisphere winter, and possible effects of global warming, have caused the hole to grow to its 13th-largest extent since 1979. The ozone depletion you see in the NASA video is monitored by three satellites operated by NASA and the National Oceanic and Atmospheric Administration (NOAA): Aura, Suomi-NPP and NOAA-20.