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The ozone layer shields life on Earth. We’ll soon lose a key way to monitor its health

NASA's Aura and Canada's SCISAT near the end of missions to monitor ozone-depleting substances

An illustration of a satellite floating above Earth

NASA’s Aura satellite (illustrated) has been orbiting Earth for more than 20 years. It is expected to run out of power in mid-2026.

NASA

By Nikk Ogasa

Humankind will soon lose a great deal of vigilance over the ozone layer, which shields life on Earth from harmful solar radiation.