activism
adult
altruism
assistance
bags
care
caucasian
clean
community
concept
ecology
environment
garbage
gathering
gloves
hands
help
lawn
lifestyle
litter
male
man
nature
outdoors
park
participate
people
person
pickup
pollution
preservation
problem
protect
rubbish
save
selfless
sitting
social
spring
support
trash
utilization
voluntary
volunteer
volunteering
young