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Air pollution is contamination of the indoor or outdoor environment by any chemical, physical or biological agent that modifies the natural characteristics of the atmosphere.
Household combustion devices, motor vehicles, industrial facilities and forest fires are common sources of air pollution. Pollutants of major public health concern include particulate matter, carbon monoxide, ozone, nitrogen dioxide and sulfur dioxide.
Respiratory and heart problems, child health problems, mortality, global warming, acid rain, eutrophication, depletion of the ozone layer, negative effect on wildlife.
Policies and investments that support sustainable land use, cleaner household energy and transport, energy-efficient housing, power generation, industry, and better municipal waste management can effectively reduce key sources of ambient air pollution.
A child born today might not breathe clean air until they are 8.
Inhaling air pollution takes away at least 1-2 years of a typical human life.
Pollutants that are released into the air, as opposed to land and water pollutants, are the most harmful.
Rising levels of air pollution in Beijing has brought a new disease – Beijing cough.