Environmental Pollution Terms

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Nonpoint source pollution

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Pollution that comes from many diffuse sources rather than a single, identifiable source.

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Point source pollution

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Pollution that comes from a single, identifiable source, such as a factory or sewage treatment plant.

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Smog

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A type of air pollution that is a mixture of smoke and fog, often found in urban areas.

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Emissions

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Pollutants that are released into the air from various sources, including vehicles and industrial processes.

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Ozone

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A gas composed of three oxygen atoms, found both at ground level and in the Earth's upper atmosphere, with varying effects on health and the environment.

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Acid rain

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Rainfall made acidic by atmospheric pollution that causes environmental harm, typically to forests and lakes.

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Allergens

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Substances that can cause an allergic reaction, often found in the environment, such as pollen or dust.