英文關鍵字
activist
bio
cartoon
clean
closeup
collect
collection
day
disposal
eco
ecological
ecology
environment
garbage
hand
human
lifestyle
litter
male
man
materials
one
organic
outdoors
package
paper
person
pollution
protect
recycle
recycling
reduce
refuse
responsible
reuse
rubbish
segregation
selection
separation
summer
trash
used
utilization
utilize
wall
waste