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  • Air pollution | Effects, Causes, Definition, Facts | Britannica
    Air pollution, release into the atmosphere of various gases, finely divided solids, or finely dispersed liquid aerosols at rates that exceed the natural capacity of the environment to dissipate and dilute or absorb them High concentrations can cause undesirable health, economic, or aesthetic effects
  • Air pollution - Wikipedia
    Air pollution is the presence of substances in the air that are harmful to humans, other living beings or the environment Pollutants can be gases, like ozone or nitrogen oxides, or small particles like soot and dust Both outdoor and indoor air can be polluted Outdoor air pollution comes from burning fossil fuels for electricity and transport, wildfires, some industrial processes, waste
  • Air pollution - World Health Organization (WHO)
    Air pollution kills an estimated seven million people worldwide every year WHO data shows that 9 out of 10 people breathe air containing high levels of pollutants WHO is working with countries to monitor air pollution and improve air quality
  • Air Pollution - National Geographic Society
    Air pollution consists of chemicals or particles in the air that can harm the health of humans, animals and plants It can even damage buildings
  • Air Pollution and Your Health | National Institute of . . .
    Air pollution is a familiar environmental health hazard We know what we’re looking at when brown haze settles over a city, exhaust billows across a busy highway, or a plume rises from a smokestack Some air pollution is not seen, but its pungent smell alerts you
  • Air Pollution Facts, Causes and the Effects of Pollutants in . . .
    The effects of air pollution wreck havoc on human health and our planet as a whole Learn about what causes air pollution and how to help reduce the effects
  • 10 things you should know about air pollution - UNEP
    Ahead of the International Day of Clean Air, here’s a look at what causes air pollution, what it does to people and how the world can rein it in
  • What is air pollution? - The Institute for Environmental . . .
    What is Air Pollution? A Comprehensive Guide Air pollution, simply put, is the contamination of the air by any substance that is harmful to living organisms, or which damages the environment These substances, often invisible to the naked eye, can be in the form of gases, particles, and biological molecules, disrupting the natural composition of the atmosphere and posing significant threats to





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