The Sustainable Development summit's aim is to end poverty.

Over the past few decades, the Democratic Republic of Congo has been hit hard by war, currency instability and corruption.

Williston, North Dakota, is in the middle of an oil boom, but it doesn't have many stores or restaurants for a growing population.

Josh Roxin and his wife Alissa moved to Rwanda for health and development, but opened a restaurant instead.

How do you get noticed in the world of apps, where there are millions?

Many housing developments were mothballed when the housing bubble burst several years ago. In states like California, they're being reanimated as demand for new houses increases.

Sometimes the government has to kick in to convince developers to reclaim "brownfield" sites. The EPA says it's developed a good partnership in Atlanta.

The mayor of Port Orange, Fla., has been a cheerleader for growth, but now has second thoughts.