1
DEFORESTATION
2
CONSERVATION
3
ENVIRONMENT
4
EARTHQUAKE
5
EXTINCTION
6
POLLUTION
7
ERUPTION
8
DISASTER
9
TORNADO
10
VOLCANO
11
SPECIES
12
DROUGHT
13
HABITAT
14
NATURE
15
FLOOD
E
W
K
G
U
K
Y
R
T
F
R
E
Y
Y
B
C
I
H
E
A
A
I
P
O
D
K
I
T
I
U
W
Z
T
E
P
U
L
F
E
O
C
Q
Y
Q
S
Y
E
N
V
I
R
O
N
M
E
N
T
A
I
O
Y
Q
V
D
R
O
U
G
H
T
P
O
L
L
U
T
I
O
N
N
V
T
A
N
O
M
L
U
L
E
U
W
X
E
E
M
A
W
X
Q
T
T
Z
O
I
F
L
O
O
D
T
P
O
J
G
Z
N
R
X
E
D
B
N
X
E
A
K
K
L
O
L
T
E
O
A
N
Q
N
S
S
U
V
O
E
O
G
N
A
N
S
J
U
J
C
I
A
H
A
N
E
A
A
O
I
E
X
O
D
H
P
K
H
R
O
H
T
W
H
O
E
X
A
S
E
E
H
I
Z
B
E
M
S
W
N
M
U
C
A
I
O
G
A
G
K
T
E
T
D
D
C
G
H
X
S
V
R
E
E
T
I
W
P
C
A
A
I
A
E
P
I
A
T
G
E
L
E
D
X
P
X
O
E
I
U
T
N
T
X
I
E
C
X
F
R
E
L
I
T
U
V
N
K
K
Q
I
U
S
P
O
S
F
U
O
V
Z
X
S
I
R
H
A
U
N
H
B
O
E
U
W
G
H
L
H
A
Z
G
A
N
E
O
C
C
I
T
A
E
R
O
O
Z
I
U
S
T
L
W
S
C
U
A
L
D
O
R
H
P
O
A
J
I
A
O
Y
I
Z
T
T
T
S
F
O
Y
T
A
Z
S
F
R
X
M
A
Y
U
O
A
U
E
I
Z
U
V
E
U
E
I
A
E
Y
K
X
C
M
C
N
G
R
R
O
S
Y
O
U
U
E
N
J
D
T
O
R
N
A
D
O
M
L
E
N
E
G