Levels of radioactive plutonium in Earth's stratosphere from nuclear tests and accidents is higher than previously thought, but probably not dangerous to humans, scientists in Switzerland said Tuesday.
Earth Sciences
Jan 7, 2014
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NASA scientists have revealed the inner workings of the ozone hole that forms annually over Antarctica and found that declining chlorine in the stratosphere has not yet caused a recovery of the ozone hole.
Earth Sciences
Dec 11, 2013
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Water vapor changes in the stratosphere contribute to warmer temperatures and likely play an important role in the evolution of Earth's climate, says a research team led by a Texas A&M University professor.
Earth Sciences
Oct 3, 2013
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Reducing fossil-fuel emissions to safer levels would save millions of lives annually by the end of the century, a study said on Sunday.
Environment
Sep 22, 2013
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Atmospheric physicist Nick Gorkavyi missed witnessing an event of the century last winter when a meteor exploded over his hometown of Chelyabinsk, Russia. From Greenbelt, Md., however, NASA's Gorkavyi and colleagues witnessed ...
Earth Sciences
Aug 14, 2013
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Google's plans to beam the Internet from giant balloons sent to the stratosphere could boost small businesses in rural parts of Asia by connecting them online, the company said on Wednesday.
Telecom
Jun 19, 2013
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Wrinkled and skinny at first, the translucent, jellyfish-shaped balloons that Google released this week from a frozen field in the heart of New Zealand's South Island hardened into shiny pumpkins as they rose into the blue ...
Telecom
Jun 15, 2013
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(Phys.org) —A Purdue University-led team of researchers discovered sunlit snow to be the major source of atmospheric bromine in the Arctic, the key to unique chemical reactions that purge pollutants and destroy ozone.
Earth Sciences
Apr 16, 2013
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Volcanoes are well known for cooling the climate. But just how much and when has been a bone of contention among historians, glaciologists and archeologists. Now a team of atmosphere chemists, from the Tokyo Institute of ...
Earth Sciences
Feb 11, 2013
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(Phys.org)—The world's first completely transportable research station officially opened in Antarctica on February 5. The Halley VI Antarctic Research Station, designed by Hugh Broughton Architects, utilizes a modular design ...
