Antartica Ozone Hole

The Antarctic ozone hole hit its smallest annual peak on record since tracking began in 1982, the National Oceanic and Atmospheric Administration and NASA announced Monday. Although we're making progress in cutting down on the use of ozone-depleting chemicals, the milestone doesn't mean we've solved the problem, the agencies cautioned.

The Antarctic ozone hole hit its smallest annual peak on record since tracking began in 1982, the National Oceanic and Atmospheric Administration and NASA announced Monday. Although we're making progress in cutting down on the use of ozone-depleting chemicals, the milestone doesn't mean we've solved the problem, the agencies cautioned.