This week on Smart City we're getting a global perspective on the secrets of successful cities and a peek at the truth about green jobs in America.

is an architect and urban designer and a principal at , a design firm that values the relationship between people and their environment.  Chris joins us from London to talk about the design of a successful city and what we can learn from the construction boom happening in cities in the Middle East.

And we'll speak with .  Joan Fitzgerald is the Director of the Law, Policy, and Society Program at Northeastern University in Boston.  She's studied how U.S. and Western European cities are addressing the interrelated issues of global warming, energy dependence and opportunities for green economic development. Joan is challenging the enthusiasm about green jobs and says there will be fewer than we expect if we don't recapture the manufacturing side of renewables.  She's also the author of the forthcoming book
"Emerald Cities: Linking Sustainability and Climate Change".