[PCA] NEWS: The Ecology of Disease

[Olivia Kwong]

http://www.nytimes.com/2012/07/15/sunday-review/the-ecology-of-disease.html?_r=2&emc=eta1

The Ecology of Disease
By JIM ROBBINS
Published: July 14, 2012

THERE'S a term biologists and economists use these days -- ecosystem 
services -- which refers to the many ways nature supports the human 
endeavor. Forests filter the water we drink, for example, and birds and 
bees pollinate crops, both of which have substantial economic as well as 
biological value.

See the link above for the full article text.