Houston may be a city built on the profits of oil and gas, but it has a green dream. CNN speaks to Laura Spanjian, the city's director of sustainability, about creating an eco-friendly future.
Sustainable urban living
About 'The City'
"The City" is a special series that airs on CNN International which profiles the sustainable urban future of five cities over the course of five days.
CNN takes a look at how five mayors around the world are building smarter, more liveable cities for the 21st century.
Read more about CNN's special reports policy.
CNN takes a look at how five mayors around the world are building smarter, more liveable cities for the 21st century.
Read more about CNN's special reports policy.
