environmental
background
bag
big
blue
bottle
conservation
consumerism
contamination
damage
dirt
dirty
dump
dumping
ecological
ecology
environment
garbage
heap
huge
industrial
junk
junkyard
landfill
litter
management
metal
mountain
nature
package
paper
pile
plastic
polluted
pollution
recycle
recycling
refuse
rubbish
sanitary
scrap
sky
toxic
trash
treatment
urban
waste