arrows
background
biodegradable
brown
card
cardboard
carton
cellulose
clean
concept
conservation
consumerism
cut
cutout
design
eco
ecology
environment
flat
garbage
green
kraft
lay
material
nature
nobody
object
organic
paper
parchment
pattern
pollution
prevention
problem
protection
recycle
recycling
reduction
reuse
shape
sign
sustainable
symbol
texture
top
trash
utilization
view
waste