More than two million deaths occur globally each year as a direct result of air pollution from human activity, scientists have said.
2.1 million people die after inhaling fine sooty particles called PM 2.5s generated by diesel engines, power plants and coal fires. Another 470,000 are thought to be killed by high levels of ozone, created when vehicle exhaust gases react with oxygen.
2.1 million people die after inhaling fine sooty particles called PM 2.5s generated by diesel engines, power plants and coal fires. Another 470,000 are thought to be killed by high levels of ozone, created when vehicle exhaust gases react with oxygen.
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