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 ...

Apr 08, 2014
3.2 / 5 (5) 2

When the world ended in ice

(Phys.org) -- A mile or so of glacial ice covering much of North America and plowing down from the north once terminated in the New York metropolitan area, at a front stretching roughly from exit ...

Jul 03, 2012
5 / 5 (3) 4

Pumping draws arsenic toward a big-city aquifer

Naturally occurring arsenic pollutes wells across the world, especially in south and southeast Asia, where an estimated 100 million people are exposed to levels that can cause heart, liver and kidney problems, ...

Sep 11, 2013
3.8 / 5 (4) 0 | with audio podcast