Undesirable or detrimental change in a natural system or unfavorable alteration of our surrounding through direct or indirect effects of changes in the energy patterns, radiation levels, chemical and physical constitution and overpopulation of organisms. Causes are mostly man-made or anthropogenic- Pollution affects humans directly as well as indirectly.
Characteristics of pollution:
Natural and artificial
Long distance
Persistent and long lasting
Biological concentration
Air pollution: Agents; Sulphur oxides, carbon oxides, hydrocarbons, particulate matter
Characteristics of pollution:
Natural and artificial
Long distance
Persistent and long lasting
Biological concentration
Air pollution: Agents; Sulphur oxides, carbon oxides, hydrocarbons, particulate matter