R _ d _ _ _
Reduce
R _ _ s _
Reuse
_ e c _ _ _ _
Recycle
E _ _ _ _ o _ _ _ _ t
Environment
D _ __ _ _ _ s _ _ t _ _ _
Deforestation
_ a _ _ r p _ _ _ _ t _ _ _
Water pollution
_ _ _ p _ _ _ _ t _ _ _
Air pollution
_ _ b _ _ s _
Rubbish
F _ _ _ _ _ y
Factory
_ a _ _
Lake
_ _ _ t a _ _
Mountain
_ o _ _ s _
Forest
_ o _ l _ _ _ o _
Pollution
_ _ _ _ a m _ _ _ _ _ _ _
Contamination
B _ _ _ _ _ _ _ _
Buildings
_ u _ _ _ _
Humans
