英文關鍵字
activist
background
bottle
care
clean
closeup
concept
contamination
damage
dirty
disaster
disposal
dump
earth
eco
ecological
ecology
environment
environmental
forest
garbage
grass
green
hand
help
lifestyle
litter
logo
motion
nature
outdoor
outdoors
paper
park
picking
plastic
pollution
problem
protect
recycle
recycling
rubbish
slow
teamwork
trash
tree
volunteer
volunteering
waste
wood
work