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

Dental surgeon engineers tissue replacement

(PhysOrg.com) -- Earlier this year in a report in The Lancet, Columbia professor Jeremy Mao and his team showed that a joint could be grown with a host’s own stem cells, presenting a potential alternative for the 40 ...

Oct 15, 2010
4.2 / 5 (5) 0

Making progress on deforestation

In 2005, Brazil was losing more forest each year than any other country. The good news is that today, Brazil has reduced deforestation in the Amazon rainforest by 70 percent, according to a recent study. ...

Jun 24, 2014
4 / 5 (1) 0

Sculpting tropical peaks

Tropical mountain ranges erode quickly, as heavy year-round rains feed raging rivers and trigger huge, fast-moving landslides. Rapid erosion produces rugged terrain, with steep rivers running through deep ...

Oct 01, 2014
3.5 / 5 (2) 0