Humans pump thousands of tons of vapor from the metallic element mercury into the atmosphere each year, and it can remain suspended for long periods before being changed into a form that is easily removed from the atmosphere.
Environment
Dec 18, 2011
17
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(PhysOrg.com) -- Last month it was announced that a group of researchers had come together to start a geoengineering project called Stratospheric Particle Injection for Climate Engineering (SPICE). Its aim was, and still ...
A new discovery by scientists at the Universities of East Anglia and Frankfurt could make it possible in future to identify the source of banned CFCs that are probably still being released into the atmosphere.
Earth Sciences
Sep 2, 2010
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(PhysOrg.com) -- NASA scientists analyzing 30 years of satellite data have found that the amount of ultraviolet (UV) radiation reaching Earth's surface has increased markedly over the last three decades. Most of the increase ...
Earth Sciences
Mar 16, 2010
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A 10 percent drop in water vapor ten miles above Earth’s surface has had a big impact on global warming, say researchers in a study published online January 28 in the journal Science. The findings might help explain why ...
Earth Sciences
Jan 28, 2010
29
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Dust samples collected by high-flying aircraft in the upper atmosphere have yielded an unexpectedly rich trove of relicts from the ancient cosmos, report scientists from the Carnegie Institution. The stratospheric dust includes ...
Space Exploration
Nov 2, 2009
2
7
By merging more than a decade of atmospheric data from European satellites, scientists have compiled a homogeneous long-term ozone record that allows them to monitor total ozone trends on a global scale - and the findings ...
Earth Sciences
Sep 21, 2009
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(PhysOrg.com) -- A team of researchers has discovered an unexpected concentration of a certain isotopic molecule in parts of the stratosphere that could have implications for understanding the carbon cycle and its response ...
Earth Sciences
Jul 14, 2009
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(PhysOrg.com) -- In its atomic form, chlorine can destroy vast quantities of ozone. But exactly how chlorine is created in the ultracold conditions of the stratosphere has puzzled scientists. Now, a team of researchers from ...
Scientists at Harvard University have found that tropical cyclones readily inject ice far into the stratosphere, possibly feeding global warming.
Earth Sciences
Apr 20, 2009
9
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