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Carbon Emissions Could Dramatically Increase Risk of U.S. Megadroughts
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Published February 15, 2015
A study using historical data and 17 climate models projects that decades-long droughts will become much more likely if greenhouse gas emissions continue at their current rate.
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Mapping Fireballs
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Published November 21, 2014
Over 20 years, more than 550 small asteroids streaked across our skies.
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Measuring Earth’s Magnetism
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Published September 7, 2014
A new constellation of satellites from the European Space Agency can detect minuscule changes in the planet’s magnetic field.
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Change in the Air
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Published August 19, 2014
Simulations of air pollution from the GOCART model help show how much skies have cleared over Europe and North America even as they have darkened over Asia in the last decade.
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The Global Toll of Fine Particulate Matter
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Published September 19, 2013
Fine particles of pollution lodge deep in the lungs, where they cause serious health problems. Scientists are working to tally the global consequences.
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NASA’s Earth Science Satellite Fleet
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Published July 5, 2013
Sixteen operating satellites monitor Earth. Four more are scheduled to launch in 2014.
Severe Thunderstorms and Climate Change
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Published April 7, 2013
Will a warming climate alter the atmosphere and make severe thunderstorms more likely? Scientists are using climate models to investigate.
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