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Last October, prime news coverage focused once again on chlorofluorocarbons (CFCs), a chemical substance suspected to cause an especially pernicious, imperceptible form of environmental degradation.

The same phenomenon that causes aurorae — the magical curtains of green light often visible from the polar regions of the Earth — causes mesospheric ozone layer depletion. This depletion could have ...

A new MIT-led study confirms that the Antarctic ozone layer is healing, as a direct result of global efforts to reduce ozone-depleting substances. Scientists including the MIT team have observed signs ...

Earth's ozone layer holes over polar regions, where the stratospheric ozone level is significantly depleted, have been a prevalent feature of climate change news in recent decades.

The Copernicus Atmosphere Monitoring Service (CAMS) (*) has found that the 2026 Antarctic ozone hole reached a significant ...

Ozone levels above the Arctic reached a record low for March, NASA researchers report. An analysis of satellite observations show that ozone levels reached their lowest point on March 12 at 205 Dobson ...

Scientists have identified unprecedented levels of depletion of the ozone layer above the Arctic this spring. These levels were comparable to those found in the Antarctic, where a hole has formed ...

The Southern Ocean has long stood out as an oddity in the global climate system. While most of the planet's surface oceans have warmed in response to rising greenhouse gases, waters circling ...

ROCHESTER — This summer, smoke from wildfires in Canada has impacted air quality in Minnesota. The fine particles carried from those fires on the wind can impact Minnesotans' health. But there is ...