- Air pollution caused over 4.2 million early deaths worldwide in 2015
- India and China each accounted for 1.1 million deaths
- 92% of world's population lives in areas with unhealthy air: study
The institute, which has also launched an online database showing the global impact of pollution on health, said 92 per cent of the world's population lives in areas with unhealthy air.
Air pollution has been linked to higher rates of cancer, stroke and heart disease, as well as chronic respiratory conditions like asthma. China and India, the world's two most populated nations, each accounted for 1.1 million deaths, the findings showed, but China is now pushing ahead when it comes to taking action, HEI president Dan Greenbaum told Reuters.
"(India) has got a longer way to go. They still appear to have some ministers who say there isn't a strong connection between air pollution and mortality in spite of quite a lot of evidence," he said.
China's authorities have also been reluctant to draw direct links between air pollution and mortality, with the country's health ministry saying it had "no data" linking smog to higher incidences of cancer. "It is currently too early to draw conclusions about the extent of the impact of smog on health, especially its long-term impact on the body," a ministry spokesman told the domestic media in China during a press briefing in January.
(Reporting by David Stanway; Editing by Richard Pullin)
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