International Day of Women and Girls in Science is marked every year on 11 February.
The Montreal Protocol on substances that deplete the ozone layer | Fourteenth edition
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-depleting substances. The landmark agreement was signed in 1987 and entered into force in 1989.
