1
FORESTFIRES
2
CLIMATECHANGE
3
GLOBALWARMING
4
TOXIC
5
STOPPOLLUTION
6
PRECAUTIONS
7
POLLUTION
8
DEFORESTATION
9
OZONEDEPLETION
10
CLIMATECRISIS
11
CARBONEMISSIONS
12
NATURALDISASTERS
13
MARINEPOLLUTION
14
NATURE
15
CARBONEMISSIONS
16
FALLOUT
17
GREENHOUSEEFFECT
18
ACIDRAINS
19
CARBONFOOTPRINT
20
WASTEBATTERY
O
P
C
A
O
Z
O
N
E
D
E
P
L
E
T
I
O
N
S
I
I
W
L
U
N
O
D
S
E
T
V
S
E
P
X
O
I
N
C
A
G
W
I
J
A
P
I
U
E
I
P
O
O
N
E
O
C
Y
A
E
R
D
M
P
T
O
A
S
K
I
O
L
A
I
S
A
N
M
R
F
E
W
A
L
U
I
J
A
O
O
L
T
W
T
R
P
G
L
B
O
E
L
T
R
R
F
M
G
L
U
U
A
O
B
P
R
L
E
O
A
N
C
E
V
E
W
Q
L
T
R
S
P
O
I
V
E
O
F
N
E
H
E
C
P
V
L
I
I
A
T
P
N
E
D
T
C
B
T
F
I
O
N
H
O
I
P
O
L
E
O
E
E
R
O
O
A
A
I
O
Z
U
P
A
O
Z
N
D
B
L
M
D
I
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M
A
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O
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S
A
N
I
S
I
A
L
I
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J
I
A
Y
G
T
W
N
T
Z
E
F
G
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A
L
C
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B
M
I
A
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A
T
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C
V
C
C
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P
O
R
I
R
A
F
C
S
E
I
I
A
C
I
D
R
A
I
N
S
N
M
V
I
B
F
T
R
O
O
G
O
N
B
M
O
A
E
I
A
S
I
N
N
O
E
Y
N
N
D
E
F
O
R
E
S
T
A
T
I
O
N
J
T
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C
J
S
F
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I
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S
V
I
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S
S
T
E
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L
U
A
C
A
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B
O
N
E
M
I
S
S
I
O
N
S