environmental
bin
bottle
box
can
city
clean
collector
container
disposal
dump
dustbin
dustman
ecological
ecology
education
empty
environment
garbage
green
health
industrial
junk
line
litter
lot
morning
order
orderly
outdoor
park
plastic
pollution
public
recycle
recycling
refuse
rubbish
service
square
stone
street
tidy
trash
trashcan
urban
waste
water
wheel
yellow