Andrew Gorden

Vacant lots in American cities consume vast amounts of land, which many are now recognizing as places of opportunity. Some cities and citizens are transforming once empty urban spaces into vibrant community-fostering places.

As one of North America's largest suburbs, Mississauga is joining some of its neighbors in the Greater Toronto Area in planning an unprecedented effort to replace its suburban roots with something more urban.

Three decades after it was established, the EPA's Superfund program is taking on some of the most complex and costly projects ever attempted. With many focused underwater, some worry the stirring up of polluted sediment will exacerbate the problem.

Newly released data from the Centers for Disease Control and Prevention depicts America with an enduring obesity problem. In twelve states more than 30% of the population is obese. No state has less than a 20% obesity rate.

Seeking to rival the Broadway theater district in New York and the West End in London, DreamWorks Animation SKG recently announced plans to develop a $3.1 billion cultural and entertainment district in Shanghai.