Key to cleaner environment may be right beneath our feet

While many people recognize that clean water and air are signs of a healthy ecosystem, most do not realize that a critical part of the environment is right beneath their feet, according to a hydrologist.

URL: http://feeds.sciencedaily.com/~r/sciencedaily/earth_climate/recycling_and_waste/~3/69STxazgbCE/130217134323.htm