Posts Tagged ‘international day for the preservation of the ozone layer’



September 2016 E-News: STEM Careers Pertaining to the study of the Ozone Layer

The International Day for the Preservation of the Ozone Layer On September 16, 2004, it was announced by the United Nations General Assembly to proclaim the day as the International Day for the Preservation of the Ozone Layer which also commemorates the date of the signing, in 1987, of the Montreal Protocol on Substances that […]