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