environmental
above
aerial
air
background
bag
bin
bottle
bulldozer
city
contamination
dirt
dirty
disposal
drone
dump
dumping
ecological
ecology
environment
excavator
facility
garbage
ground
heap
household
industry
junk
junkyard
landfill
litter
material
neighborhood
pile
plastic
pollution
poverty
purification
recycle
recycling
refuse
rubbish
site
slum
top
trash
treatment
used
view
waste