Environment pollution in the world is not good.Contamination is everything that makes an environment unhealthy. Application of the concept will vary with what is meant by environment and how to assess what is unhealthy.
in the physical environment is pollution a deterioration of environmental quality as a result of harmful substances, or other influences.
Pollution can be emissions of harmful chemicals from natural and man-made processes. Substances released in the environment and brought among other things further in the food chain by recording of food. The visible and estimated detrimental effects on man and the environment forms the basis for provision of threshold values for action.
THE sweet spot between the estimated damage in resipienten and other samfunnsbehov will be given a concession that sets the limits for what is allowable emissions from specific processes. In Norway, it is designed a comprehensive regulations under Pollution. [ 1] it is Miljødirektoratet who is manager of pollution, and enforce this in Norway.EEA agreement sets also concrete tiltakskrav through miljøkvalitetskriterier.
Contamination takes place either by emissions from continuous processes or by large single-emissions in the context of disasters (were discharged as acute discharges). Emissions pollute air, fresh water and sea, soil, vegetation and animals (biota) .
greatest contribution to air pollution comes from: [ 2]
Road Transport
Industry
Heating
The amount of ground water contamination is measured by slaminnhold, bakterieinnhold and heavy metals.
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