environmental
activist
activity
cartoon
character
clean
cleanup
collect
collection
community
conservation
dirty
drawing
dust
eco
ecological
ecology
environment
garbage
global
help
illustration
junk
lifestyle
man
nature
outdoor
outline
outside
park
people
person
planet
pollution
problem
recycling
save
social
street
sustainable
teamwork
together
trash
trouble
voluntary
volunteer
waste
woman
work