abandoned
bag
bird
bottle
broken
conservation
consumerism
corroded
corrosion
dirt
dirty
discarded
disposal
dispose
domestic
dump
ecology
environment
environmental
garbage
heap
industrial
industry
iron
junk
junkyard
landfill
litter
metal
old
package
paper
pile
plastic
pollution
recycle
recycling
resource
reuse
rubbish
rust
scrap
sky
smoke
stack
steel
toxic
trash
waste
yard