Make someone or something clean or neat.
LOOK UP
CLEAN UP
GROW UP
TIDY UP
A site/place for the disposal of waste materials
OCEAN
LANDFILL
PLAYGROUND
BEACH
To treat or process (used or waste materials) in order to use them again
RECYCLE
THROW AWAY
REDUCE
WASTE
Waste material or things that are no longer wanted or needed
FOOD
TREES
WATER
RUBBISH
Damage caused to water, air, etc
POLLUTION
PURITY
CORRUPTION
INFECTION
To discard or get rid of something useless or unwanted
OPERATE
WATCH
THROW AWAY
SAVE