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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]
Jul. 15—The state's environmental regulator has declared Friday an Ozone Action Day for the Dallas/Fort Worth region including Parker and Palo Pinto counties. It is the second ozone day in a row ...
International Day of Action for Rivers: March 14 World Consumer Rights Day: March 15 Buzzards Day [16] [17] March 15 Digital Cleanup Day [18] March 15 2025 National Panda Day [19] [20] [21] March 16 Global Recycling Day [22] March 18 World Serval Day [23] March 18 Taxonomist Appreciation Day [24] March 19 World Sparrow Day: March 20 World Frog ...
Ozone depletion consists of two related events observed since the late 1970s: a steady lowering of about four percent in the total amount of ozone in Earth's atmosphere, [citation needed] and a much larger springtime decrease in stratospheric ozone (the ozone layer) around Earth's polar regions. [1] The latter phenomenon is referred to as the ...
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The ozone layer visible from space at Earth's horizon as a blue band of afterglow within the bottom of the large bright blue band that is the stratosphere, with a silhouette of a cumulonimbus in the orange afterglow of the troposphere. The ozone layer or ozone shield is a region of Earth's stratosphere that absorbs most of the Sun's ultraviolet ...
Indigenous Peoples' Day is observed on the same day, Monday, Oct. 14. Is Indigenous Peoples' Day an official holiday? It depends on where you live, but Columbus Day is still a federal holiday.
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 ...