Columbia University

A natural wonder rediscovered

(PhysOrg.com) -- Scientists using underwater sensors to explore Lake Rotomahana in New Zealand have uncovered remnants of the Pink Terraces,” once considered the eighth natural wonder of the world.

Feb 23, 2011 5 / 5 (7) 0

Sewage still plagues Hudson River

People are swimming in the Hudson again, and while clumps of sewage rarely float by anymore, the water is not reliably clean, says a report released this week from the environmental group Riverkeeper. Four ...

Aug 12, 2011 5 / 5 (1) 1

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