when is International Day for the Preservation of the Ozone Layer observed?
Options
1) september 13
2)september 14
3)september 16
4)september 15
answer
3)september 16
Other details
September 16 was designated by the United Nations General Assembly as the International Day for the Preservation of the Ozone Layer.
This designation had been made on December 19, 2000, in commemoration of the date, in 1987, on which nations signed the Montreal Protocol on Substances that Deplete the Ozone Layer.
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
The closure of the hole in the ozone layer was observed 30 years after the protocol was signed
Due to the nature of the gases responsible for ozone depletion their chemical effects are expected to continue for between 50 to 100 years
Options
1) september 13
2)september 14
3)september 16
4)september 15
answer
3)september 16
Other details
September 16 was designated by the United Nations General Assembly as the International Day for the Preservation of the Ozone Layer.
This designation had been made on December 19, 2000, in commemoration of the date, in 1987, on which nations signed the Montreal Protocol on Substances that Deplete the Ozone Layer.
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
The closure of the hole in the ozone layer was observed 30 years after the protocol was signed
Due to the nature of the gases responsible for ozone depletion their chemical effects are expected to continue for between 50 to 100 years