l a e r g e l i s
allergies
s t w f l t n g i a o a
Floating waste
r o e e s f f t r i
Forest fire
t g u h r d o
drought
r c o n t s i u r
countries
m s h u a f m u s e x
Exhaust fumes
y e n r g e
energy
u e a l c n r w e o r
nuclear power
m e o n v r i t e n n
environment
p r b i u d b s h
rubbish dump
p i m g i n l e c e a p t
melting ice cap
o l s f o d
Floods