A false-color view of ozone over Antarctica is seen in an image released in 2012. The purple and blue colors are where there is the least ozone, and the yellows and reds are where there is more ...

The discovery of the ozone hole led directly to the Montreal Protocol just two years later – an agreement that froze the production and use of ozone-depleting substances at 1986 levels and set ...

The discovery of the ozone hole led directly to the Montreal Protocol just two years later – an agreement that froze the production and use of ozone-depleting substances at 1986 levels and set ...

The discovery of the ozone hole led directly to the Montreal Protocol just two years later – an agreement that froze the production and use of ozone-depleting substances at 1986 levels and set ...

The discovery of the ozone hole led directly to the Montreal Protocol just two years later – an agreement that froze the production and use of ozone-depleting substances at 1986 levels and set ...

The discovery of the ozone hole led directly to the Montreal Protocol just two years later – an agreement that froze the production and use of ozone-depleting substances at 1986 levels and set ...

One of the scientists who discovered the hole in the ozone layer 40 years ago is proud of his work, but he now has major concerns about a new existential crisis: the looming threat of climate change.

In March 1985, just weeks before the publication of Farman’s team’s paper, more than 20 countries signed the Vienna Convention for the Protection of the Ozone Layer.

It's been 40 years since groundbreaking research announced the discovery of a hole in the ozone layer, a revelation that launched a rapid and successful effort to ban chemicals in hairspray ...

The discovery of the ozone hole led directly to the Montreal Protocol just two years later – an agreement that froze the production and use of ozone-depleting substances at 1986 levels and set ...