Which way China? Will the world's most populous country embrace sustainable development? Is Dongtan City - Shanghai's new eco-city - the model for saving our cities and sustainable urban development?

Dongtan Eco-City, has been widely publicised and is regarded as a flagship model for sustainable urban development. But as China continues to urbanise with amazing rapidity, will such projects become mainstream? Can China avoid ever more national and global environmental damage in the all-out rush to grow its cities and its economy?