英文關鍵字
asia
awareness
bin
bottle
cleaning
close
closeup
collection
concept
conservation
container
contamination
day
disposal
earth
ecological
ecology
environment
future
garbage
global
hand
happy
help
lifestyle
natural
nature
outdoor
park
people
picking
planet
plastic
pollute
pollution
polyethylene
problem
protect
protection
recycle
recycling
reduce
responsibility
reuse
rubbish
save
separation
sit
sorting
trash
vacation
volunteer
volunteers
waste
woman
world
zero