environmental
african
american
awareness
bio
box
carton
collect
container
cycle
disposal
dump
dustman
earth
eco
ecology
facility
factory
friendly
garbage
green
idea
litter
man
material
organic
plant
plastic
pollution
portrait
product
protection
recycle
recycled
recycling
reduce
refuse
reuse
rubbish
save
separate
sorting
sustainable
trash
volunteer
waste
widescreen
worker