1
ENVIRONMENTALLYFRIEND
2
GLOBALCHANGE
3
GLACIERMELTING
4
HIGHTEMPERATURE
5
AIRPOLLUTION
6
NATUREPOLLUTION
7
POLLUTIONOFTHEWORLD
8
PROTECTTHEWORLD
9
GLOBALWARMING
E
P
Y
W
U
F
M
E
U
M
R
O
B
E
O
E
P
G
W
H
I
D
N
J
I
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V
U
A
N
C
Z
U
X
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R
A
O
L
O
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L
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N
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I
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A
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Q
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U
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I
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G
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M
S
A
T
M
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L
C
L
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J
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A
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A
A
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A
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U
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U
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A
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B
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U
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W
D
I
O
O
Z
N
A
T
U
R
E
P
O
L
L
U
T
I
O
N
N
I
N
I
A
O
O
L
G
L
O
B
A
L
W
A
R
M
I
N
G
U
D