environmental
background
blue
brown
conservation
consumerism
crushed
damage
day
destruction
dirty
discarded
disposal
dump
earth
ecology
environment
garbage
global
green
heap
horizontal
industrial
industry
junk
landfill
landscape
metal
old
outdoors
pile
plastic
pollution
recycle
recycling
refuse
rubbish
rust
rusty
scrap
scrapyard
sky
stack
toxic
trash
trees
warming
waste
yard