2. Pollution is the introduction of contaminants into
the natural environment that cause advers
change. Pollution can take the form of chemica
substances or energy , such as noise, heat o
light. Pollutants , the components of pollution, can
be either foreign substances/energies or naturall
occurring contaminants
3.
4. Air pollution : . Air pollution is perhaps the
most common and the most dangerous type
of pollution. It involves the direct release of
chemicals into the environment. The
chemicals then become the part of the air
around us that all the living things take in
Noise pollution : noise pollution is the
increase in the rate of noise in the
environment .Noise is defined as an
unpleasant sound that has an adverse affect
on the human ear.
5. Soil pollution :Soil pollution involves the
contamination of soil by the release of harmful
substances into the soil. Unlike air pollution,
which has a direct affect on human lives, soil
pollution causes an indirect damage to humans
and other animals.
Water pollution :The 75% of the earth’s surface is
covered with water and more that half of the total
population of earth’s species resides in water.
Human life greatly depend on water without
water it is impossible .water pollution entirely
affect the chain .
9. Adverse air activity can kill many
organisms including humans ozone pollution
can cause respiratory disease , throat
inflammation , chest pain . It also happens
due to contamination of drinking water .
Noise pollution induces hearing loss , high
blood pressure , sleep disturbance .
Oil spills can cause skin irritations and
rashes
Pollution has been mainly found in
environment .
10. Pollution control is a term used in environmental
management . It means the control
of emissions and effluents into air, water or
soil. Without pollution control, the waste
products from consumption, heating, agriculture,
mining, manufacturing, transportation and other
human activities, whether they accumulate or
disperse, will degrade the environment . It is
controlled by following practices
Recycling
Reusing
Waste minimisation
preventing
11. Light pollution : includes light
trespass , over – illumination and
astronomical interference .
Littering : the criminal throwing of
man made objects , onto public or
private properties ..
Noise pollution : which
encompasses roadway noise , aircraft
