英文關鍵字
action
activism
bag
beach
bottle
clean
coast
coastline
collect
collecting
collector
dirty
disaster
disposal
eco
ecological
ecology
effort
environment
environmental
friendly
garbage
global
human
impact
litter
nature
ocean
organization
outdoor
picking
plastic
pollution
problem
protect
recycle
recycling
remove
rubbish
sand
sea
shore
summer
take
trash
volunteer
volunteering
waste
water