ATMOSPHERICPOLLUTION
VOLCANICERUPTIONS
DESERTIFICATION
NOISEPOLLUTION
WATERPOLLUTION
DEFORESTATION
LANDPOLLUTION
ERTHQUAKES
COLDSNAPS
DROUGHTS
EROSION
FLOODS
F
J
H
A
G
C
M
X
I
I
B
F
L
O
O
D
S
N
I
O
E
Q
Y
O
C
O
L
D
S
N
A
P
S
W
N
Y
I
U
S
K
B
U
E
O
E
O
A
E
T
W
K
L
X
L
N
U
J
U
L
S
T
K
M
J
H
A
I
E
A
E
V
R
E
T
I
A
R
O
F
U
I
N
I
Y
W
A
A
T
X
N
R
A
G
U
A
O
F
N
J
E
Z
S
M
O
O
U
W
A
H
M
R
O
O
C
C
O
W
Q
I
D
T
E
N
X
X
I
U
N
A
H
I
O
O
I
M
J
I
E
E
T
V
P
O
R
S
J
W
T
L
O
N
I
R
S
U
T
O
N
O
U
A
W
M
O
U
I
E
U
T
P
I
I
T
U
S
P
H
U
I
O
I
J
E
L
I
L
Z
T
K
O
Y
U
U
S
T
E
A
H
I
L
D
I
Z
Q
C
O
A
L
I
E
A
O
L
R
O
O
H
E
C
E
A
L
R
S
M
M
Z
O
O
U
U
O
U
M
G
E
V
R
Y
E
V
R
Z
O
O
E
M
I
D
Q
T
T
M
C
Q
E
M
C
B
E
Z
E
I
I
P
P
U
P
A
E
L
X
E
I
U
U
H
I
U
I
L
E
I
I
S
C
I
R
G
O
U
V
D
X
W
O
L
T
T
C
J
N
X
T
E
K
M
P
L
E
H
L
V
A
Q
Q
U
N
X
D
R
L
V
A
A
I
U
H
S
O
G
T
T
L
C
U
G
G
W
O
Y
U
E
Y
V
C
U
C
T
Y
U
L
X
A
S
U
M
U
T
R
O
V
Z
S
O
I
Q
L
P
F
G
X
Z
L
I
W
X
T
J
U
I
C
Q
L
K
U
I
A
P
O
V
E
M
A
K
U
E
Y
T
I
E
U
M
T
N
F
E
F
I
B
R
V
Z
H
G
O
J
T
O
I
J
O
K
U
D
E
F
O
R
E
S
T
A
T
I
O
N
O
O
I
C
A
W
N
S
E
D
E
S
E
R
T
I
F
I
C
A
T
I
O
N
O
L
U
U
O
A
C
S
A
U
U
N
M
T
T
O
I
I
I
C
J
U
N
