Category:Pollution

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http://en.wikipedia.org/wiki/Pollution

Pollution is the introduction of contaminants into the natural environment that cause adverse change.

Pollution can take the form of chemical substances or energy, such as noise, heat or light.

Pollutants, the components of pollution, can be either foreign substances/energies or naturally occurring contaminants. Pollution is often classed as point source or nonpoint source pollution.


Contents [hide] 1 Ancient cultures 2 Urban pollution 3 Forms of pollution -- 4 Pollutants 5 Cost of pollution 6 Sources and causes 7 Effects 7.1 Human health 7.2 Environment 7.3 Environmental health information 8 Regulation and monitoring 9 Pollution control 9.1 Practices 9.2 Pollution control devices 10 Perspectives 11 Greenhouse gases and global warming 12 Most polluted places in the developing world 13 See also 14 References 15 External links

Subcategories

This category has the following 13 subcategories, out of 13 total.

A

B

E

L

O

  • Oceans‎ (18 C, 90 P, 693 F)

P

R

T

W

Media in category "Pollution"

The following 200 files are in this category, out of 202 total.

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