The Montreal Protocol on Substances that Deplete the Ozone Layer is a global agreement to protect the Earth’s ozone layer by phasing out the chemicals that deplete it. This phase-out plan includes both the production and consumption of ozone-depletin...
Cold temperatures and strong winds combined to create one of the deepest and largest holes in the ozone layer in recent years, but efforts to phase down ozone-depleting chemicals mean the hole is much smaller than it could have been, scientists fr...
