Climate Central: The ozone hole is a gash in the stratosphere, like a festering wound high above the earth's surface. Scientists first diagnosed the problem in the mid-1980s and recommended a course of action to treat the problem. And today, NASA announced that recovery has continued, though slightly slower this year compared to years past.
An animation showing the ozone hole in October, the month usually following the ozone hole minimum, from 1979-2014.
"This is a good story for ozone. If you look back to...