英文關鍵字
environment
green
nature
plant
tree
agriculture
forest
growth
park
team
together
wood
activist
altruism
community
diverse
earth
eco
ecological
ecology
ecosystem
environmental
global
human
organization
planet
problem
public
shovel
social
teamwork
volunteer
bag
care
friendship
men
seedling
togetherness
dig
posing
participating
reforestation
restoration
save
volunteering
volunteerism
helping
gardening
landscape
design