Yellowstone Volcano Grows as Geysers Reawaken
It won't likely blow anytime soon, but the world's largest volcano is stirring and the landscape is changing. The Yellowstone Caldera. The best estimate of the caldera rim is shown salmon. White arrows show interpreted magma migration paths. The ... [... more]
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Baffled Scientists Say Less Sunlight Reaching Earth
Even more puzzling, the planet has not cooled. Changes in the clouds may be to blame. After dropping for about 15 years, the amount of sunlight Earth reflects back into space, called albedo, has increased since 2000, a new study concludes. That ... [... more]
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New Type of Volcanic Hazard Discovered
An odd-shaped ash plume came unexpectedly crashing down in a destructive eruption that was not normal. Reventador volcanic plume with scalloped umbrella. credit:Armando Alvarez Sa´nchez, Cruz Roja Ecuatoriana Scientists have uncovered a new [... more]
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Snowfall Scale to Rank Storms' Impact
Northeast snowstorms will rank as Notable, Significant, Major, Crippling or Extreme. Soon, when a snowstorm proves crippling, the government will call it exactly that. The Northeast Snowfall Impact Scale, or NESIS, will be used to evaluate the ... [... more]
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Pacific Ocean Grows More Acidic
Small creatures like this will suffer, scientists say, potentially altering the entire food chain. A free-swimming planktonic mollusk, an important food source for North Pacific salmon. Credit: NOAA Scientists recently traveled from Tahiti to ... [... more]
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Earth's Limited Supply of Metals Raises Concern
If all nations were to use the same services enjoyed in developed nations, even the full extraction of metals from the Earth's crust and extensive recycling programs may not meet future demand. Image of copper ore. The penny was once composed ... [... more]
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Antarctica Losing Ice, Contrary to Expectations
Joining the growing list of places on this planet that are melting, Antarctica is losing some 36 cubic miles of ice every year, scientists said today. A floating iceberg off the Antarctic Peninsula. Photo courtesy CU-Boulder National Snow and Ice ... [... more]
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Scientists Promote Benefits of Black Magic Soil
Black soil created by humans long ago could brighten the future of modern farming and help curb global warming. The late Wim Sombroek (ISRIC, The Netherlands) is seen here during an expedition to study the soil and artifacts of an Amazonian dark ... [... more]
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Quarter of Species Gone by 2050
In the most dramatic of the scenarios, models forecasted a potential loss of 56,000 plant species and 3,700 vertebrate species. Using several models that project habitat changes, migration capabilities of various species, and related extinctions ... [... more]
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Hurricane Alley Heats Up
Water temperatures in a prime hurricane-forming region have warmed more than other parts of the ocean over the past century. Water temperatures in areas where hurricanes form in the Atlantic Ocean have warmed up over the past century and human ... [... more]
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10 Ways You Can Improve Earth's Health
How we treat Earth involves trillions of little decisions by billions of individuals. The scientific and political arguments surrounding the health of our planet can make the whole topic seem beyond the grasp of the individual. How fast is the ... [... more]
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Global Warming Weakens Trade Winds
Greenhouse emissions are behind a shift that could affect marine biology, scientists say. This diagram shows the Walker Circulation, a vast loop of air above the equatorial Pacific ocean. Credit: Gabriel Vecchi/UCAR Another view of the Walker ... [... more]
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