
Interagency collaboration sustains long-term measurements that track the health of the ozone layer.
Ozone gas in the upper atmosphere protects the planet’s surface from harmful solar radiation. The Antarctic ozone hole was discovered in 1985, increasing concerns about human emissions of gases that destroy ozone and the negative consequences for life on Earth. Two years later, the international community signed the Montreal Protocol, an international treaty designed to protect the ozone layer through regulation of ozone-depleting compounds. Later...