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Air pollution

Air pollution is the introduction of chemicals, particulates or biological materials into the atmosphere which cause damage to the natural environment and have adverse health affects on organisms.

Contributors in Air pollution

Air pollution

Dose-response

Pollution control; Air pollution

The relationship between the dose of a pollutant and the response (or effect) it produces on a biological system.

Melting point

Pollution control; Air pollution

The temperature at which a solid becomes a liquid. At this temperature, the solid and the liquid have the same vapour pressure.

Pollution prevention

Pollution control; Air pollution

The use of materials, processes, or practises to reduce, minimize, or eliminate the creation of pollutants or wastes. It includes practises that reduce the use of toxic or hazardous materials, ...

Vapour density

Pollution control; Air pollution

The vapour density is expressed in grammes per litre (g / L) and is comparedto the density of air (air=1).

Greenhouse effect

Pollution control; Air pollution

The warming effect of the Earth's atmosphere. Light energy from the sun which passes through the Earth's atmosphere is absorbed by the Earth's surface and re-radiated into the atmosphere as heat ...

Emission rate

Pollution control; Air pollution

The weight of a pollutant emitted per unit of time (e.g., tonnes / year).

Non-methane hydrocarbon (NMHC)

Pollution control; Air pollution

The sum of all hydrocarbon air pollutants except methane. NMHCs are significant precursors to ozone formation.

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