Sewers

In 1993, Jefferson County, Alabama issued $3 billion in bonds to pay for a sewer system that would serve 150,000 people. Today, their financial situation is so bad they've stopped paying creditors and are close to declaring bankruptcy.

The Urban Mole is a proposed package delivery robot that uses existing sewer tunnels to deliver packages underground, taking delivery trucks off of the streets.

Sewage issues in Ottawa are bringing attention to the significant infrastructure problems associated with sprawl.

This piece from NPR looks at water issues in Nashville, Tennessee, where local officials are trying to make the city's aging infrastructure a priority for voters.

Aging sewage systems in municipalities across the country are falling into disrepair, resulting in massive leaks and spills that threaten drinking water and public health.