environmental
awareness
bin
bio
care
caucasian
collect
collection
container
disposal
dump
earth
eco
ecology
energy
environment
equipment
facility
factory
garbage
girl
green
idea
industry
junk
litter
management
material
object
organic
plant
pollution
product
protection
recycle
recycling
reduce
refuse
reuse
rubbish
save
separate
separation
sorting
trash
waste
wastepaper
work