Sinkholes.

• Position: ENVIRONMENT - Brief article

They gobble up people, trucks, roads, buildings, even entire lakes. The insatiable monsters known as sinkholes occur when water erodes underground rock and causes the ground above to collapse. Increasingly, the culprit is bad pipes, as many of America's century-old water and sewer lines spring leaks. Water utilities are trying to educate the public and urge elected officials to allot more money for repairs. Stephen P...