Columbia University

Tree rings open door on 1100 years of El Nino

(PhysOrg.com) -- El Nino and La Nina, the periodic shifts in Pacific Ocean temperatures, affect weather around the globe, and many scientists have speculated that a warming planet will make those fluctuations ...

dateMay 27, 2011 in Earth Sciences
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NASA sites across US vulnerable to climate change

The National Aeronautics and Space Administration has been at the forefront of climate science, launching satellites that take the pulse of Earth's land, oceans and atmospheric systems, gathering data on ...

dateNov 04, 2014 in Environment
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Can big earthquakes disrupt world weather?

(PhysOrg.com) -- The eruption of the Laki volcano in Iceland in 1783-84 set off a cascade of catastrophe, spewing sulfuric clouds into Europe and eventually around the world. Poisonous mists and a resulting ...

dateApr 29, 2011 in Earth Sciences
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As Amazon urbanizes, rural fires burn unchecked

Many Amazonians are moving out of the countryside, in search of economic opportunities in newly booming Amazonian cities. The resulting depopulation of rural areas, along with spreading road networks and ...

dateDec 10, 2012 in Environment
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Maybe Ben Franklin was wrong

(PhysOrg.com) -- The eruption of the Laki volcano in Iceland in 1783-84 set off a cascade of catastrophe, spewing sulfuric clouds into Europe and eventually around the world. Poisonous mists and a resulting ...

dateApr 07, 2011 in Earth Sciences
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Swiss glacier finely tuned to climate changes

(PhysOrg.com) -- During the last ice age, the Rhone Glacier was the dominant glacier in the Alps, covering a significant part of Switzerland. Over the next 11,500 years or so, the glacier, which forms the ...

dateJun 06, 2011 in Earth Sciences
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