Deterioration of the ozone layer is a threat to humans due to exposure to harmful ultraviolet (UV) rays from the sun. Thanks to the global phaseout of ozone-depleting chemicals, this deterioration has now been turned around and a recovery is underway.

The Nobel Prize in chemistry in 1995 was awarded to Paul Crutzen, once a professor at MISU, together with Mario J. Molina and Frank Sherwood Rowland for research on the ozone layer and its deterioration.

Read more about the ozone layer recovery and research:

News release from the UN environment programme

Scientific Assessment on Ozone Depletion 2022

Read about Paul Crutzen, his work and Nobel prize (in Swedish)