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In 1994, the UN General Assembly proclaimed 16 September the International Day for the Preservation of the Ozone Layer, commemorating the date of the signing, in 1987, of the Montreal Protocol on Substances that Deplete the Ozone Layer. [3] The closure of the hole in the ozone layer was observed 30 years after the protocol was signed. [4]
International Vulture Awareness Day [115] [116] [117] First Saturday of September International Day of Clean Air for blue skies: September 7 World Dolphin Day [118] September 12 International Colugo Day [119] September 15 International Day for the Preservation of the Ozone Layer: September 16 World Manta Day [120] September 17 World Water ...
The Indian Minister of State for Environment, Forest and Climate Change, Shri Prakash Javadekar, addressing at the 21st International Day for the preservation of the ozone layer and the 30th anniversary of the Vienna Convention for the Protection of the Ozone layer, in New Delhi on 16 September 2015.
The Weather Channel A hole in our atmosphere more than twice the size of the United States is finally beginning to close up, and might even be completely gone by the end of the century, according ...
On March 15, 2011, a record ozone layer loss was observed, with about half of the ozone present over the Arctic having been destroyed. [ 143 ] [ 144 ] [ 145 ] The change was attributed to increasingly cold winters in the Arctic stratosphere at an altitude of approximately 20 km (12 mi), a change associated with global warming in a relationship ...
The largest Antarctic ozone hole recorded (September 1985) 2012 retrospective video by NASA on the Montreal Protocol The Montreal Protocol on Substances That Deplete the Ozone Layer [2] is an international treaty designed to protect the ozone layer by phasing out the production of numerous substances that are responsible for ozone depletion.
The Vienna Conference was the first international conference on ozone layer depletion. It was held in Vienna, Austria in 1985 when a hole in the stratospheric ozone layer was observed in the South Pole marked by increased UV-B infiltration over Antarctica. A 'hole', marked by significant drop in ozone molecules in the layer, as large as that of ...
Georgia Basin-Puget Sound International Airshed Strategy, Vancouver, Statement of Intent, 2002 [8] U.S.-Canada Air Quality Agreement (bilateral U.S.-Canadian agreement on acid rain), 1986; Vienna Convention for the Protection of the Ozone Layer, Vienna, 1985, including the Montreal Protocol on Substances that Deplete the Ozone Layer, Montreal, 1987