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Air pollution can cause diseases, allergies, and even death; it can also cause harm to animals and crops and damage the natural environment (for example, climate change, ozone depletion or habitat degradation) or built environment (for example, acid rain). [2] Air pollution can occur naturally or be caused by human activities. [3]
air pollution - the modification of the natural characteristics of the atmosphere by a chemical, particulate matter, or biological agent. albedo - reflectance; the ratio of light from the Sun that is reflected by the Earth's surface, to the light received by it. Unreflected light is converted to infrared radiation (heat), which causes ...
Ammonium nitrate, a specific component of fine particle air pollution primarily produced by agricultural emissions, is associated with decreased learning and memory performance in children aged ...
Various definitions of pollution exist, which may or may not recognize certain types, such as noise pollution or greenhouse gases.The United States Environmental Protection Administration defines pollution as "Any substances in water, soil, or air that degrade the natural quality of the environment, offend the senses of sight, taste, or smell, or cause a health hazard.
Air pollution, whether it’s from factories, car exhaust, or secondhand smoke from family members, is a major cause of fatal respiratory infections. Pollution kills millions of little kids a year ...
Air pollution can also have an impact on people’s moods, a study published in August found. Breathing polluted air can cause mood swings and changes, as well as increase the risk of long-term ...
The risk of air pollution is determined by the pollutant's hazard and the amount of exposure that affects a person. [36] For example, a child who plays outdoor sports will have a higher likelihood of outdoor air pollution exposure than an adult who tends to spend more time indoors, whether at work or elsewhere. [36]
Story at a glance Residents of impoverished neighborhoods are exposed to higher levels of air pollution. Although previous research has detailed a link between poverty and poor educational ...