“Actions taken under the Montreal Protocol continued to decrease atmospheric abundances of controlled ozone-depleting substances (ODSs) and advance the recovery of the stratospheric ozone layer.

With toxic smog choking cities worldwide and 99% of the population breathing unsafe air, 2025 must be the year for decisive ...

One risk is that these new particles could seed polar stratospheric clouds, which are spectacular rainbow-colored clouds that can damage the ozone layer ... influence the formation of feathery ...

In densely populated coastal areas, reactions of polluted air with sea salt aerosol from the ocean can lead to high surface ozone levels that affect air quality. Chlorine has become infamous for ...

Temperatures are achingly cold in the stratosphere over the Arctic, which can only mean one thing: it's perfect conditions for psychedelic skies filled with rainbow-colored clouds. Type II polar ...