Pollution from car emissions killing millions in China and India

An explosion of car use has made fast-growing Asian cities the epicentre of global air pollution and become, along with obesity, the world’s fastest growing cause of death according to a major study of global diseases.

In 2010, more than 2.1m people in Asia died prematurely from air pollution, mostly from the minute particles of diesel soot and gasses emitted from cars and lorries. Other causes of air pollution include construction and industry. Of these deaths, says the study published in The Lancet, 1.2 million were in east Asia and China, and 712,000 in south Asia, including India.

Worldwide, a record 3.2m people a year died from air pollution in 2010, compared with 800,000 in 2000. It now ranks for the first time in the world’s top 10 list of killer diseases, says the Global Burden of Disease (GBD) study.

The unexpected figure has shocked scientists and public health groups. David Pettit, director of the southern California air programme with the Natural Resources Defence Council (NRDC), said: “That’s a terribly high number – and much more people than previously thought. Earlier studies were limited to data that was available at the time on coarse particles in urban areas only.”

Anumita Roychowdhury, head of air pollution at the Centre for Science and Environment (CSE), a New Delhi-based environmental group, said: “There is hard evidence now to act urgently to reduce the public health risks to all, particularly children, elderly and the poor. No-one can escape toxic air.”

The full effects of air pollution on health in Asian cities may not be seen for years, she said. “Toxic effects like cancer surface after a long latency period. Therefore, exposure to air pollution will have to be reduced today to reduce the burden of disease,” she said.

via Pollution from car emissions killing millions in China and India | Environment | guardian.co.uk.

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