September 16 was designated on December 19, 2000 by the United Nations General Assembly (one of the six principal organs of the United Nations serving as the main deliberative, policy-making, and representative organ of the UN) as the International Day for the Preservation of the Ozone Layer.
September 16 was designated on December 19, 2000 by the United Nations General Assembly (one of the six principal organs of the United Nations serving as the main deliberative, policy-making, and representative organ of the UN) as the International Day for the Preservation of the Ozone Layer.