A barely visible sun and a thick, smothering smog... After decades of rampant industrialisation, China is suffocating. Last year, the government declared war on pollution and promised to close the worst factories. But behind the promises lurks economic reality. How can China maintain growth and still protect the environment? Will it ever overcome one of the worst levels of pollution on the planet?

>> On the France 24 Observers: Chinese police muzzle protests in 'cancer village'
 

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