Columbia University

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 ...

Jun 06, 2011
4.8 / 5 (6) 40 | with audio podcast

Crow or raven? New birdsnap app can help

Researchers at Columbia Engineering, led by Computer Science Professor Peter Belhumeur, have taken bird-watching to a new level. Using computer vision and machine learning techniques, they have developed ...

May 28, 2014
4.8 / 5 (6) 0

Planning in the near term for climate change

When scientists talk about climate change, they usually mean significant changes in the measures of climate over several decades or longer. Climate variability generally refers to seasonal changes over a ...

Jun 27, 2013
2.5 / 5 (11) 0 | with audio podcast

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 ...

Dec 10, 2012
4.3 / 5 (6) 3 | with audio podcast

New virus may pose risk to wild salmon

Farmed fish are an increasingly important food source, with a global harvest now at 110 million tons and growing at more than 8 percent a year. But epidemics of infectious disease threaten this vital industry, including one ...

Jul 09, 2010
5 / 5 (5) 10 | with audio podcast