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Outdoor particulate pollution was the largest cause of death (4.7 million), followed by indoor air pollution (3.1 million) and ozone (0.5 million). [5] A study published in 2019 estimated that, for 2015, the number was around 8.8 million, with 5.5 million of these premature deaths due to air pollution from human sources.
Overall, air pollution causes the deaths of around ca. 7 million people worldwide each year, and is the world's largest single environmental health risk, according to the WHO (2012) and the IEA (2016). [33] [34] [35]
Indoor air pollution, caused by kerosene space heaters, cooking, wall paints, second hand smoke and more, are also known to have an association with the cardiovascular diseases. [38] [34] This increased risk of cardiovascular diseases by indoor air pollution disproportionately affects the people in the United States.
Air pollution is caused predominantly by burning fossil fuels, cars, and much more. [4] Natural sources of air pollution include forest fires, volcanic eruptions, wind erosion, pollen dispersal, evaporation of organic compounds, and natural radioactivity. These natural sources of pollution often soon disperse and thin settling near their locale.
Air pollution is among the biggest health problems of modern industrial society and is responsible for more than 10 percent of all deaths worldwide (nearly 4.5 million premature deaths in 2019), according to The Lancet. Air pollution can affect nearly every organ and system of the body, negatively affecting nature and humans alike.
The American Lung Association’s State of the Air report for 2024 listed the Los Angeles area as one of the top 10 cities polluted by year-round particle pollution. It’s been No. 1 for ozone ...
1991, California's largest hazardous chemical spill: A 19,000-gallon (72,000 L) tank railroad car containing the pesticide/herbicide metam sodium derails from a northbound Southern Pacific freight train, tumbling off the bridge over the Sacramento River at the Cantara Loop near Dunsmuir, California, and rupturing on the rocks below, spilling ...
Estimated air pollution in London from 1700 to 2016. Air pollution is often assumed to have begun with the Industrial Revolution, but it's a much older problem. [15]Mining has existed in Great Britain since prehistoric times and lead mines (such as Charterhouse in Somerset and Odin Mine in Derbyshire) may have been worked before Roman Britain.