background
biodegradable
bottle
can
cardboard
carton
concept
conservation
different
ecology
energy
environment
food
garbage
glass
globe
green
household
industry
isolated
litter
logo
management
material
metal
object
organic
paper
planet
plastic
pollution
recycle
recycled
recycling
responsible
reusable
reuse
rubbish
saving
segregation
sign
symbol
tin
trash
types
use
used
waste
white