How was Mario J. Molina awarded the Nobel Prize?

Name: Mario J. Molina. 
Country: Mexico.
Date of Birth: 19 March 1943.
Died: 7 October 2020.
The subject of Study: Chlorofluorocarbon ozone depletion ozone layer.
Noble Prize Year: Nobel Prize for Chemistry in 1995 for their research on discovering the threat to the Earth’s ozone layer from chlorofluorocarbon (CFC) gases.