environmental
activist
activity
bag
bin
boy
can
care
cartoon
character
child
children
clean
cleaning
cleanup
collect
container
disposal
eco
ecological
ecology
environment
flat
garbage
happy
illustration
nature
organic
paper
people
person
plastic
pollution
prevent
recycle
recycling
refuse
reuse
rubbish
schoolboy
sorting
take care
throwing
trash
volunteer
volunteering
waste
young