Pollution in China

A satellite image showing a haze of pollution over part of China caused by te country's reliance on coal Photograph: Earth Observatory/Nasa

Kunming, Yunnan province: Workers try to clear blue-green algae from Dianchi lake Photograph: AP

Guangzhou: Illegal motorbikes confiscated by police in an effort to curb air pollution await destruction at a recycling company Photograph: Colour China Photo/AP

Yutian, Hebei province: Cyclists ride through a cloud of pollution produced by a nearby factory Photograph: Peter Parks/AFP

Wuhan, Hebei province: A man collects dead fish in Donghu lake, where officials say an estimated 30,000kg of fish have been killed by a combination of pollution and hot weather Photograph: Wuhan/AP

Benxi: Pollution from steel mills blows over residential buildings Photograph: Gilles Sabrie/Corbis

Beijing: Labourers work at a lime factory Photograph: Guang Niu/Getty

Lanzhou, Gansu province: A resident takes a water sample from the polluted Yellow river Photograph: Dang Yun/ChinaFotoPress/Getty

Hohhot: Women wear masks as they cycle through the city Photograph: Xinhua, Li Xin/AP

Beijing: Taxis queue up outside the city's main railway station. Beijing's Olympic organizers plan to reduce the number of taxis from its roads by 50,000 as a way to combat air pollution Photograph: Peter Parks/AFP

Beijing: A worker clears rubbish from canal. Reports suggest that as many as 300 million Chinese people - nearly one in every four - drink dirty water Photograph: Teh Eng Koon/AFP