Football fans around the globe have their eyes set on Curitiba, Brasil this year, the site of the 2014 World Cup. But as Brian Barth reports, eco-savvy urban planners have been studying Brasil's seventh largest city for decades ...
A bold project encompassing clean air, a light rail system, open spaces, and green pathways for cyclists and pedestrians, is beginning to transform some of America's poorest and most polluted communities. As Brian Barth reports, the Atlanta Beltway is taking shape.
