environmental
autumn
bag
bottle
contamination
copy
crumpled
day
dirty
dump
earth
eco
ecological
ecology
environment
fall
forest
garbage
grass
ground
junk
landfill
landscape
litter
littering
meadow
nature
nobody
object
outdoors
planet
plastic
polluted
polluting
pollution
problem
recycle
recycling
rubbish
scattered
season
space
text
trash
used
waste