英文關鍵字
atmosphere
attitude
awareness
ball
biohazard
concept
contamination
dirty
disposable
disposal
dump
dumping
earth
eco
ecology
environment
environmental
flora
future
garbage
global
globe
green
harmful
hazard
impact
industry
irresponsible
junk
landfill
nature
overconsumption
planet
plastic
pollution
problem
recycle
recycling
remember
responsibility
reuse
rubbish
save
scrap
social
trash
volunteer
warming
waste
world