Photo from June 2, 2009

Photo from June 2, 2009

Columbia Water and Light, the Missouri Water Resources Research Center and the Missouri Department of Natural Resources are working to lower the levels of cancer-causing chemicals in Columbia's water. The main chemical that is linked to cancer, trihalomethane, is a by-product of the disinfection process that is used for the city's drinking water.

Link to slideshow

A look at PS: Gallery's Winter 2010 Exhibition, open from January 5 to March 27. (View slideshow)