AI generated image showing the earth as globe surrounded by the blue line of the atmosphere, depicting the ozone layer. A new study says that the Montreal Protocol, designed to protect the ozone layer, is delaying the first appearance of an ice-free Arctic summer, by up to 15 years, depending on future emissions.

The Montreal Protocol is delaying first ice-free Arctic summer

The Montreal Protocol was a global deal to protect the ozone layer and a new study says it is delaying the first ice-free Arctic summer by up to 15 years.