bottle
chaos
concept
conservation
contamination
countryside
damage
deterioration
disaster
dump
ecology
environment
environmental issues
garbage
garbage dumps
global warming
grass
grassland
heap
illegal
industry
landfill
landscape
messy
nature
nobody
nonurban
object
outdoors
plastic
pollution
problem
recycling
refuse
refusing
rubbish
sanitary
sanitation
social
soil contamination
unauthorized
unhygienic
unpleasant
vertical
waste