An ozone hole, seven times larger than the Antarctic ozone hole, is currently sitting over tropical regions and has been since the 1980s, according to a Canadian researcher.
Environment
Jul 05, 2022
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111
Reindeer are loved the world over for their dark, expressive eyes, majestic antlers and magical association with Santa Claus. The moment you learn the cold, hard truth of how Christmas presents arrive under the tree is a ...
Plants & Animals
Jul 01, 2022
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9
Published today in the journal Earth's Future, researchers from UCL, the University of Cambridge and Massachusetts Institute of Technology (MIT) used a 3D model to explore the impact of rocket launches and re-entry in 2019, ...
Environment
Jun 25, 2022
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425
Fine particulate matter (PM2.5) and ozone exposure are major public health problems in China. Although useful, atmospheric models used to analyze these and other air quality concerns over the years are expensive to run, limiting ...
Earth Sciences
Jun 24, 2022
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10
Projected growth in rocket launches for space tourism, moon landings, and perhaps travel to Mars has many dreaming of a new era of space exploration. But a NOAA study suggests that a significant boost in spaceflight activity ...
Space Exploration
Jun 22, 2022
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139
A new NASA climate simulation suggests that extremely large volcanic eruptions called "flood basalt eruptions" might significantly warm Earth's climate and devastate the ozone layer that shields life from the sun's ultraviolet ...
Earth Sciences
May 03, 2022
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243
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 systems.
Environment
Apr 22, 2022
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25
With climate change, plastic pollution and a potential sixth mass extinction, humanity has made some incredible messes in the world.
Environment
Apr 21, 2022
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18
Increasingly large and intense wildfires in the Pacific Northwest are altering the seasonal pattern of air pollution and causing a spike in unhealthy pollutants in August, new research finds. The smoke is undermining clean ...
Environment
Apr 19, 2022
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A research team led by Prof. Xie Pinhua from Hefei Institutes of Physical Science (HFIPS) of the Chinese Academy of Sciences (CAS), studied the ratio of HCHO and NO2 during a typical pollution episode in Hefei, a city in ...
Environment
Apr 12, 2022
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6
Ozone or trioxygen (O3) is a triatomic molecule, consisting of three oxygen atoms. It is an allotrope of oxygen that is much less stable than the diatomic O2. Ground-level ozone is an air pollutant with harmful effects on the respiratory systems of animals. The ozone layer in the upper atmosphere filters potentially damaging ultraviolet light from reaching the Earth's surface. It is present in low concentrations throughout the Earth's atmosphere. It has many industrial and consumer applications.
Ozone, the first allotrope of a chemical element to be recognized by science, was proposed as a distinct chemical compound by Christian Friedrich Schönbein in 1840, who named it after the Greek verb ozein (ὄζειν, "to smell"), from the peculiar odor in lightning storms. The formula for ozone, O3, was not determined until 1865 by Jacques-Louis Soret and confirmed by Schönbein in 1867.
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