China has 'duty to humanity' to curb pollution, premier says

Li Keqiang says Chinese economic model is 'unsustainable' and it must cut energy use, but does not outline specific measures

China has used up too much energy and too many resources in its quest for growth, premier Li Keqiang has told visiting French president Franiois Hollande, adding that the country has a "duty to humanity" to clean itself up.

Related: US 'playing catch-up to China' in clean energy efforts, UN climate chief says