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Turning 'car city' into green city

Turning 'car city' into green city

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.

Video: The City

Rio mayor talks sustainable future
Rio mayor talks sustainable future
Houston mayor's vision
Houston mayor's vision
Seoul embraces green urban life
Seoul embraces green urban life
Johannesburg mayor's city wish
Johannesburg mayor's city wish
How cities fight climate change
How cities fight climate change
Rotterdam's floating future
Rotterdam's floating future

Sustainable urban living

Bloomberg: 'Cities lead on climate change'

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.


City icons

Floating homes for Rotterdam

Explore your urban hub

You had your say on your city's greener future

Follow 'The City' team on Twitter

Natasha Maguder: @NatashaCNN
Natasha Maguder: @NatashaCNN
Tara Kelly: @tarakelly
Tara Kelly: @tarakelly
Jenny Soffel: @jennysoffel
Jenny Soffel: @jennysoffel

Rankings matter

World's rudest taxi drivers

Behind the scenes at CNN

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Dream cityscapes

Mayors envisage cities of the future