environmental
bin
bottle
boy
broom
can
cartoon
child
children
clean
dirty
divide
earth
eco
ecology
energy
energy saving
environment
floor
garbage
garden
girl
green
illustration
industry
kid
kids
leaf
leaves
litter
nature
plastic
pollution
protection
recycle
recycling
renewable
rubbish
segregation
sweep
sweeping
sweeping broom
trash
volunteer
waste
waste collection
water
world