Columbia University

Mapping lead hot spots to protect children

A new study in the Bulletin of the World Health Organization shows how hot spots of lead contamination in soil can be pinpointed in order to safeguard children against drastic health effects. Researchers led by ...

Dec 12, 2012
5 / 5 (1) 0

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

After Sandy, testing the waters

During Hurricane Sandy the seas rose a record 14-feet in lower Manhattan. Water flooded city streets, subways, tunnels and even sewage treatment plants. It is unclear how much sewage may have been released ...

Nov 20, 2012
not rated yet 0

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 ...

Sep 20, 2012
4.1 / 5 (8) 13