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NASA's Earth Observatory
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Your source for monitoring regional and global changes on our planet through images and stories.
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News: Earthquakes May Endanger New York More than Thought
A study by a group of prominent seismologists suggests that a pattern of subtle but active faults makes the risk of earthquakes to the New York City area substantially greater than formerly believed. (The Earth Institute at Columbia University press release)
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News: New Clues to Air Circulation in the Atmosphere
Air circulates above the Earth in four distinct cells, with two each on either side of the equator, according to new research. (Imperial College London press release)
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News: Satellite Images Show Continued Breakup of Two of Greenland's Largest Glaciers
Researchers monitoring daily satellite images here of Greenland's glaciers have discovered break-ups at two of the largest glaciers in the last month. (Ohio State University press release)
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News: Drier, Warmer Springs in U.S. Southwest Stem from Human-Caused Changes in Winds
Human-driven changes in the westerly winds are bringing hotter and drier springs to the American Southwest, according to new research. (University of Arizona press release)
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News: Greenland Ice Core Reveals History of Pollution in the Arctic
New research finds that coal burning, primarily in North America and Europe, contaminated the Arctic and potentially affected human health and ecosystems in and around Earth's polar regions. (National Science Foundation press release)
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News: Dirty Smoke From Ships Found to Degrade Air Quality in Coastal Cities
Chemists have measured for the first time the impact that dirty smoke from ships cruising at sea and generating electricity in port can have on the air quality of coastal cities. (University of California - San Diego press release)
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News: 2007 Hurricane Forecasts Took Blow from Winds and Saharan Dry, Dusty Air
A new analysis of environmental conditions over the Atlantic Ocean shows that hot, dry air associated with dust outbreaks from the Sahara desert was a likely contributor to the quieter-than-expected 2007 hurricane season.
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News: Project Anniversary Shows Value of Long-Term Investment in Climate Research
The International Satellite Cloud Climatology Project (ISCCP) to study the role that clouds play in the climate celebrates its 25th anniversary this summer.
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News: Study Shows Continued Spread of 'Dead Zones'
A new study shows that the number of "dead zones" ? areas of seafloor with too little oxygen for most marine life ? has increased by a third between 1995 and 2007. (Virginia Institute of Marine Science press release)
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News: NASA Study Lights Path to How Smoke Changes Cloud Cover, Climate
Researchers have identified the common thread that determines how aerosols from human activity, like the particles released from forest fires, influence cloud cover and affect climate.
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