am
asphalt
background
bins
blue
can
city
clean
color
container
discard
disposal
dump
dumpster
dustbin
ecological
ecology
environment
environmental
garbage
green
in a row
junk
litter
old
outdoor
outdoors
park
plastic
recycle
recycled
recycling
refuse
reuse
road
rubbish
street
symbol
trash
urban
waste
yellow