Oct. 27, 2022 —The annual Antarctic ozone hole reached an average area of 8.9 million square miles (23.2 million square kilometers) between Sept. 7 and Oct. 13, 2022. This depleted area of the ozone layer over the ...
Sep. 29, 2022 —Over the past decades, rising levels of ozone pollution have been interrupting pollination, impacting the livelihood of both plants and the animals that pollinate them. Researchers now explain how an ...
Sep. 22, 2022 —At the beginning of the year, the World Health Organization (WHO) announced that the Middle East ranks among the regions with the worst air quality. There is a common misconception that desert dust ...
Sep. 15, 2022 —Dirty windows can harbor potentially harmful pollutants under protective films of fatty acids from cooking emissions -- and these can hang around over long periods of ...
Sep. 6, 2022 —The 2019/20 wildfires in Australia transported more smoke into the atmosphere than observed ever before anywhere in the world. In the so-called Black Summer, three times as many particles reached ...
Sep. 1, 2022 —High levels of hydroxyl radicals (OH) can be generated indoors, simply due to the presence of people and ...
Aug. 24, 2022 —Researchers have developed a new method for assessing the impacts of ozone-destroying substances that threaten the recovery of the ozone ...
July 28, 2022 —New evidence from Antarctica shows that toxic 'fluorinated forever chemicals' have increased markedly in the remote environment in recent decades and scientists believe CFC-replacements ...
July 7, 2022 —Researchers have established that the destruction of ozone over the Arctic in the spring causes abnormal weather throughout the northern hemisphere, with many places being warmer and drier than ...
July 7, 2022 —Researchers have discovered why reducing particle pollution is leading to a rise in photochemical smog in some emerging economies such as India, Africa and ...
July 5, 2022 —Scientist reveal a large, all-season ozone hole in the lower stratosphere over the tropics comparable in depth to that of the well-known springtime Antarctic hole, but roughly seven times greater in ...
June 26, 2022 —A formidable space tourism industry may have a greater climate effect than the aviation industry and undo repair to the protective ozone layer if left unregulated, according to a new ...
Apr. 22, 2022 —New research has identified a lesser-known form of ozone playing a big role in heating the Southern Ocean -- one of Earth's main cooling ...
Mar. 31, 2022 —New research reveals ozone in the lower atmosphere in particular contributed to warming in the Southern Ocean - which absorbs much of the planet's excess heat - more than previously realized. ...
Mar. 17, 2022 —A new study shows that smoke from wildfires destroys the ozone layer. Researchers caution that if major fires become more frequent with a changing climate, more damaging ultraviolet radiation from ...
Feb. 28, 2022 —Atmospheric chemists have found that the smoke from Australia's 'Black Summer' wildfires set off chemical reactions in the stratosphere that contributed to the destruction of ozone. ...
Feb. 15, 2022 —An international effort to measure air quality in South Korea, a region with complex sources of pollution, may provide new insights into the atmospheric chemistry that produces ozone pollution, ...
Jan. 31, 2022 —When did the Earth reach oxygen levels sufficient to support animal life? Researchers have discovered that a rise in oxygen levels occurred in step with the evolution and expansion of complex, ...
Jan. 13, 2022 —作为地球臭氧层恢复从过去的排放s of now-banned CFCs and halons, other chemicals are emerging as major causes of stratospheric ozone depletion. Atmospheric scientists have been ...
Jan. 6, 2022 —Large wildfires and severe heat events are happening more often at the same time, worsening air pollution across the western United States, a study has found. In 2020, more than 68% of the western ...
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