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Hace 5 días · Air pollution is the contamination of air due to the presence of substances called pollutants in the atmosphere that are harmful to the health of humans and other living beings, or cause damage to the climate or to materials.
Hace 2 días · Clean, dry air consists primarily of nitrogen and oxygen —78 percent and 21 percent respectively, by volume. The remaining 1 percent is a mixture of other gases, mostly argon (0.9 percent), along with trace (very small) amounts of carbon dioxide, methane, hydrogen, helium, and more.
Hace 4 días · Real-time air pollution index for 100+ countries.
Hace 2 días · Air pollution accounted for nearly 75 percent of all deaths and remains a formidable public health crisis with no end in sight.
23 de may. de 2024 · Contents. hide. (Top) Climate change. Noise. Water pollution. Air pollution. Mitigation. See also. References. Further reading. Environmental effects of aviation. Between 1940 and 2018, aviation CO 2 emissions grew from 0.7% to 2.65% of all CO 2 emissions [1]
Hace 5 días · Research on Health Effects from Air Pollution | US EPA. Decades of research have shown that air pollutants such as ozone and particulate matter (PM) increase the amount and seriousness of lung and heart disease and other health problems.
Hace 4 días · Particulate matter—especially those particulates less than 10 micrometers (μm; millionths of a meter) in diameter—are significant air pollutants because of their very harmful effects on human health, including increased risk of cancer, lung and cardiovascular disease, and decreased life expectancy.
