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Pollution is the introduction of contaminants into the natural environment that cause adverse change. [1] Pollution can take the form of any substance (solid, liquid, or gas) or energy (such as radioactivity, heat, sound, or light).
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. [1]
Air pollution is caused predominantly by burning fossil fuels, cars, and much more. [2] 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.
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.
Indoor air pollution can be caused by cooking and appliance use, cleaning solutions, pet dander, pollen and other allergens coming in from the environment. Short-term symptoms can include ...
Diseases caused by pollution, lead to the chronic illness and deaths of about 8.4 million people each year. However, pollution receives a fraction of the interest from the global community. [1] This is in part because pollution causes so many diseases that it is often difficult to draw a straight line between cause and effect.
Why is indoor air pollution a concern? Indoor air pollution is a growing area of research. “While there is an increasing awareness of outdoor air pollution … we spend on average 80% to 90% of ...
In the marine environment, plastic pollution causes "Entanglement, toxicological effects via ingestion of plastics, suffocation, starvation, dispersal, and rafting of organisms, provision of new habitats, and introduction of invasive species are significant ecological effects with growing threats to biodiversity and trophic relationships.