GASEMISSIONS
ENVIRONMENT
OZONELAYER
ECOSYSTEM
POLLUTION
HABITAT
WATER
SMOG
C
U
Q
W
C
J
O
R
G
I
I
B
T
I
S
V
Y
G
K
C
A
Y
U
E
P
Q
P
E
N
G
P
E
N
V
I
R
O
N
M
E
N
T
O
S
H
A
V
F
K
D
N
K
A
A
Z
E
I
A
U
U
E
O
A
I
O
I
N
Q
R
C
S
W
E
G
P
J
U
R
I
O
Q
E
H
O
S
E
O
O
C
I
E
X
T
N
Y
Q
O
S
I
B
X
V
I
T
S
J
U
A
F
P
O
Y
M
I
V
R
A
O
N
U
L
T
E
R
Y
S
E
O
Z
W
A
A
C
E
L
I
B
D
O
T
S
A
S
S
L
R
N
N
O
T
A
K
U
E
A
A
M
A
E
O
E
I
P
T
V
S
K
M
G
V
O
S
Z
A
H
A
B
I
T
A
T
M
N
E
G
O
E
U
S
P
X
Z
L
F
Y
I
