Columbia University

Climate change as a matter of public health

For a long time people perceived climate change as an environmental issue–the concern of environmentalists, the concern of a few. It was reframed as a justice issue at the turn of the 21st century, when it became clear ...

dateApr 08, 2014 in Environment
shares0 comments 2

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 more volatile, ...

dateMay 27, 2011 in Earth Sciences
shares0 comments 11

New Google ocean maps dive down deep

(PhysOrg.com) -- Starting today, armchair explorers will be able to view parts of the deep ocean floors in far greater detail than ever before, thanks to a new synthesis of seafloor topography released through Google Earth. ...

dateJun 09, 2011 in Earth Sciences
shares0 comments 1

Rare earth metals: Will we have enough?

Life in the 21st century wouldn't be the same without rare earth metals. Cell phones, iPads, laptops, televisions, hybrid cars, wind turbines, solar cells and many more products depend on rare earth metals to function. Will ...

dateSep 20, 2012 in Earth Sciences
shares0 comments 13