英文關鍵字
abstract
activist
background
bag
bottle
bottles
break
concept
creative
day
dirty
dump
earth
eco
ecology
environment
environmental
free
garbage
get
global
globe
grass
hand
human
industry
isolated
militant
nature
out
planet
plastic
pollution
problem
protection
recycle
recycling
rubbish
save
stuck
symbol
tear
trash
volunteer
waste
white
woman
world