Deaths from outdoor air pollution by region in 2005 and 2010. From 2005 to 2010, the death rate rose by 4% worldwide, by 5% in China and by 12% in India. OECD.
Outdoor air pollution kills some 3.5 million people across the world every year, and causes health problems from asthma to heart disease for many more, according to data collected by the World Health Organization (WHO).
