background
bin
bins
bio
blue
bottle
box
can
collect
collection
color
colorful
concept
conserve
container
different
discard
disposal
earth
ecology
environment
garbage
green
material
metal
natural
nature
outdoor
paper
park
plastic
pollution
protect
recycle
recycling
red
reduce
refuse
reuse
save
segregate
separate
sign
symbol
throw
trash
urban
waste
white
yellow