Scientists report that chemicals that are not controlled by a United Nations treaty designed to protect the Ozone Layer are contributing to ozone depletion.
Earth Sciences
Feb 16, 2015
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Since 2007, scientists have been searching to find the cause of a sudden and unexpected global rise in atmospheric methane, a potent greenhouse gas, following almost a decade in which concentrations had stayed relatively ...
Environment
Apr 17, 2017
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A chemical used in dry cleaning and fire extinguishers may have been phased out in recent years but NASA said Wednesday that carbon tetrachloride (CCl4) is still being spewed into the atmosphere from an unknown source.
Earth Sciences
Aug 20, 2014
17
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(PhysOrg.com) -- The annual ozone hole has started developing over the South Pole, and it appears that it will be comparable to ozone depletions over the past decade. This composite image from September 10 depicts ozone concentrations ...
Earth Sciences
Sep 16, 2009
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0
Today is the UN's International Day for the Preservation of the Ozone Layer – the perfect opportunity to look at how and why measurements of this molecule are taken from space.
Environment
Sep 16, 2016
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9
The rapid warming of the Antarctic Peninsula, which occurred from the early-1950s to the late 1990s, has paused. Stabilisation of the ozone hole along with natural climate variability were significant in bringing about the ...
Earth Sciences
Jul 20, 2016
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26
The first detailed analysis of air pollution trends in China reveals a 20 per cent drop in concentrations of particulate pollution over the last three years (2015-2017).
Environment
Oct 17, 2018
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61
This winter, weather patterns may be fairly different than what's typical—all because of unusually warm ocean water in the east equatorial Pacific, an event known as El Niño. Because of El Niño, California is expected ...
Earth Sciences
Dec 16, 2015
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67
Farmers and fruit growers are reporting that climate change is leading to increased ozone concentrations on the soil surface in their fields and orchards—an exposure that can cause irreversible plant damage, reduce crop ...
Environment
Sep 8, 2020
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144
Ozone is a well-known and interesting gas. It is thought of as a "good" gas when present in the stratosphere, where it forms the ozone layer sitting 15 to 30 kilometres above Earth that protect life from detrimental ultraviolet ...
Environment
Apr 5, 2018
0
62
