Discuss the meaning of pollution and state its types
Pollution is
the introduction of contaminants into the environment that cause harm or
discomfort to humans or other living organisms, or that damage the
environment." 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
There are several types of pollution, and while they may come
from different sources and have different consequences, understanding the
basics about pollution can help environmentally conscious individuals minimize
their contribution to these dangers.
In total, there are nine
recognized sources of pollution in the modern world. These sources of pollution
don't simply have a negative impact on the natural world, but they can have a
measurable effect on the health of human beings as well. Generally pollution
can categorized into four kinds, namely;-
1.Soil pollution occurs due to
incorporation of unwanted chemicals in the soil due to human activities. Use of
insecticides and pesticides absorbs the nitrogen compounds from the soil making
it unfit for plants to derive nutrition from. Release of industrial waste,
mining and deforestation also exploits the soil. Since plants can’t grow
properly, they can’t hold the soil and this leads to soil erosion.
2.Noise pollution is caused when noise which is an unpleasant sound affects
our ears and leads to psychological problems like stress, hypertension, hearing
impairment, etc. It is caused by machines in industries, loud music, etc.
3.Air Pollution is the most prominent and dangerous form of pollution. It
occurs due to many reasons. Excessive burning of fuel which is a necessity of
our daily lives for cooking, driving and other industrial activities; releases
a huge amount of chemical substances in the air everyday; these pollute the
air.
Smoke from chimneys,
factories, vehicles or burning of wood basically occurs due to coal burning;
this releases sulphur dioxide into the air making it toxic. The effects of air
pollution are evident too. Release of sulphur dioxide and hazardous gases into
the air causes global warming and acid rain; which in turn have increased
temperatures, erratic rains and droughts worldwide; making it tough for the
animals to survive. We breathe in every polluted particle from the air; result
is increase in asthma and cancer in the lungs.
4. Water Pollution has taken toll of all the surviving species of the earth.
Almost 60% of the species live in water bodies. It occurs due to several
factors; the industrial wastes dumped into the rivers and other water bodies
cause an imbalance in the water leading to its severe contamination and death
of aquatic species
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