Page 6 - OUR ENVIRONMENT AND POLLUTION

POLLUTION
P OLLUT I ON

H
e
t
oduct
pr
ies
it
mat
s
f
act
o
ion
uman
a
w
iv
er
t
he
o
lead
t
• •Human activities lead to the production of waste materials
ials
ir
them
that
onment
deteriorated
and
had
make
our
t hat had det er ior at ed our environment and make t hem
env
unsuitable for the life.
uns uit able f or t he lif e .
pr
ed
undes
t
ubs
s
and
ances
able
ir
U
air
nw
in
,
er
• •Unwanted and undesirable substances present in air, water
w
at
ent
ant
es
and s oil ar e called as pollut ant . For example, S moke, D us t
and soil are called as pollutant. For example, Smoke, Dust
particles etc.
.
icles
t
c
et
par
e
har
s
mf
ul,
t
o
t
unwanted
h
ubs
ances
t
he
of
addition
T
• •The addit ion of harmful, unw ant ed substances to the
environment is called Pollution.
env ir onment is called P ollut ion .
ed
is
bas
s
our
ce,
can
n
ion
pollut
he
t
be
aminat
O
cont
of
t
he
On the basis of the contaminated source, pollution can be
br oadly clas s if ied int o mainly f our t y pes :
broadly classified into mainly four types:
1. Air pollution
1 . A i r p o l l u t i o n
2 . Wa t e r p o l l u t i o n
2. Water pollution
L
3
n
.
o
3. Land pollution
i
l
p
l
o
u
a
t
d
n
4. Noise pollution
u
l
l
t
o
i
n
o
N
.
4
o
p
se
i