Learn more about the ozone hole, how it was created, how it was healed, and what message it offers about climate change.

WASHINGTON – NASA scientists will join researchers from around the world to celebrate the 20th anniversary of the Montreal Protocol, an international treaty designed to reduce the hole in Earth’s ...

NASA and NOAA have announced encouraging news for Earth's climate: the 2025 Antarctic ozone hole is the fifth-smallest recorded in more than two decades. According to both agencies, international ...

The United States has spent about $100 billion eliminating ozone-destroying chemicals from air conditioners and refrigerators, by some estimates. Now, NASA is spending $12 billion to measure how ...

The Antarctic ozone hole has shrunk to its smallest size in six years, indicating a slow recovery of Earth's protective layer due to international environmental efforts.

The Antarctic ozone hole closed early in 2025 after one of the shortest seasons in decades, reflecting long-term recovery of the ozone layer.

Rocket launches and satellite reentries are depositing metals and soot directly into Earth’s stratosphere, and a growing body of peer-reviewed research warns that these pollutants are altering the ...

In 2023, the Antarctic ozone hole reached its maximum size on September 21, NASA and NOAA reported based on their annual satellite and balloon-based measurements. This hole spans 10 million square ...

A new study using NASA and National Oceanic and Atmospheric Administration (NOAA) data finds consistent evidence that Earth’s ozone layer is on the mend. A team led by Eun-Su Yang of the Georgia ...

With last year’s undersea volcano injecting massive amounts of water high into the atmosphere, scientists were bracing for a big Antarctica ozone hole this fall. But it didn’t happen. Instead this ...