Hemispheric Transport of Air Pollution). • November 7, 2017: Ozone pollution near Earth’s surface is among the important components of summertime smog and a major explanation for poor air high quality.- CFCs are long-lived chemical compounds that ultimately rise into the stratosphere, where they’re broken apart by the Sun’s ultraviolet radiation, releasing chlorine atoms that go on to destroy ozone molecules. Measurements present that the decline in chlorine, ensuing from a world ban on chlorine-containing artifical chemical compounds known as chlorofluorocarbons (CFCs), has resulted in about 20 % much less ozone depletion in the course of the Antarctic winter than there was in 2005 — the primary 12 months that measurements of chlorine and ozone throughout the Antarctic winter had been made by NASA’s Aura satellite. The fast
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