By Patrick Cullis, NOAA Global Monitoring Laboratory scientist

As we track this year’s formation of the annual ozone hole above Antarctica, join Casper and Peggy in this four-part animated series as they explore our atmosphere and learn about the important role ozone plays in protecting all life on Earth. Part 1 covers ozone in the atmosphere and how this molecule can be both good and bad depending on where it’s located: Near the surface, ozone in a pollutant and is harmful to breathe, but up high in the stratosphere, ozone is critical for filtering out harmful ultraviolet radiation from the Sun! 

Video by Patrick Cullis/NOAA Global Monitoring Laboratory

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