The ozone hole over Antarctica is the seventh smallest it’s been since the early 1990s. Recovery began with the Montreal Protocol, which ended the production of all chlorofluorocarbons (CFCs) in 1987.

The world will warm more than expected due to future changes in ozone, which protects Earth from harmful sun rays but also traps heat as it is a greenhouse gas. While banning ozone-destroying gases ...

The recovery of the ozone layer in Earth's stratosphere could be delayed by several years, according to an international ...

A groundbreaking study led by scientists at MIT has confirmed that the Antarctic ozone layer is on a steady path to recovery, thanks to global efforts by populations to phase out ozone-depleting ...

The ozone layer has been on track to recover thanks to the Montreal Protocol—but a loophole may be holding it back. Chemicals ...