Intense depletion of the ozone layer above Antarctica happens each year. In October 2015 it was more than 1.5 million square miles larger (2.5Mkm2) than in 2014.
Intense depletion of the ozone layer above Antarctica happens each year. In October 2015 it was more than 1.5 million square miles larger (2.5Mkm2) than in 2014.