The icy Arctic is emerging as a global economic hot spot—and one that is becoming a security concern for the U.S. as world powers jockey to tap its vast energy resources and stake out unclaimed territories.
Earth Sciences
May 11, 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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(Phys.org) —A constant stream of space debris flows toward Earth from the rest of the solar system. Large meteors can sometimes survive the intense friction and heat upon entering Earth's atmosphere, but by and large the ...
Earth Sciences
Apr 4, 2013
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Millions of people in northern Europe are still battling snow and ice, wondering why they are being punished with bitter cold when—officially—spring has arrived and Earth is in the grip of global warming.
Environment
Mar 28, 2013
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(Phys.org) —NASA's Operation IceBridge scientists have begun another season of research activity over Arctic ice sheets and sea ice with the first of a series of science flights from Greenland completed on Wednesday.
Earth Sciences
Mar 21, 2013
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One of the most southerly populations of polar bears in the world – and the best studied – is struggling to cope with climate-induced changes to sea ice, new research reveals. Based on over 10 years' data the study, published ...
Ecology
Mar 19, 2013
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A federal appeals court has rejected the state of Alaska's attempt to remove polar bears from the threatened species list.
Ecology
Mar 4, 2013
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NASA's Launch Services Program at the agency's Kennedy Space Center in Florida has selected United Launch Services, LLC of Englewood, Colo., to provide Delta II launch services for the Ice, Cloud and Land Elevation Satellite ...
Space Exploration
Feb 26, 2013
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Particles from the upper atmosphere trapped in a deep pile of Antarctic snow hold clear chemical traces of global meteorological events, a team from the University of California, San Diego and a colleague from France have ...
Earth Sciences
Feb 25, 2013
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Biologists Jackie Grebmeier and Lee Cooper from the University of Maryland Center for Environmental Science's Chesapeake Biological Laboratory have been visiting the chilly area north of Alaska near the Bering Strait for ...
Earth Sciences
Feb 21, 2013
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