Roads, shopping centers and housing developments are generally seen as enhancing a community's quality of life. But they can also disrupt the delicate water cycle that provides food, recreation and hydration to communities.

A sewage plant employee fell down a 30-foot hole and was overcome by fumes
 
SEWICKLEY, Pa. — A sewage plant employee became faint and died while working in a 30-foot hole, and three other people who tried to rescue him were overcome by an unknown gas and had to be hospitalized, officials said.