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
W
B
C
H
O
Z
O
N
E
D
E
P
L
E
T
I
O
N
V
U
S
W
L
K
N
A
K
I
G
T
K
S
A
P
G
U
A
N
C
G
G
U
I
O
A
X
A
U
E
I
U
O
O
N
I
O
C
I
A
S
R
O
M
O
T
O
F
S
J
R
E
L
A
I
S
A
D
E
R
E
E
E
A
L
U
I
P
A
J
E
L
T
W
T
R
P
G
U
B
L
E
L
T
R
R
E
E
S
M
U
U
A
O
B
H
R
L
A
O
A
N
C
E
S
E
J
H
L
T
R
S
P
O
W
J
E
O
F
N
E
H
K
C
U
U
L
W
I
A
T
P
N
Y
Z
T
C
B
T
F
X
O
E
H
O
K
D
O
L
E
O
E
A
Z
O
A
A
A
M
O
I
U
P
A
N
J
N
D
B
L
M
Y
E
X
M
N
U
L
A
O
E
S
M
N
E
O
I
A
L
I
S
Q
I
L
X
I
T
W
N
T
O
E
N
G
S
S
T
U
S
I
L
C
I
U
W
P
I
A
A
P
P
E
V
E
A
T
T
S
C
W
F
I
A
N
R
D
O
R
O
R
E
F
T
S
E
I
I
A
C
I
D
R
A
I
N
S
N
M
C
I
E
F
T
R
O
O
U
D
T
P
M
I
X
X
M
M
S
I
R
N
Y
E
Y
N
N
D
E
F
O
R
E
S
T
A
T
I
O
N
V
T
R
C
M
S
F
O
R
E
S
T
F
I
R
E
S
A
E
G
C
S
L
T
U
B
B
L
L
C
A
R
B
O
N
E
M
I
S
S
I
O
N
S