Ключевые слова: activist, adult, altruism, backyard, brazil, care, charity, children, community, conservation, cooperation, earth, ecology, ecosystem, effort, engaged, environment, environmental, forest, gardening, green, group, growth, horizontal, lifestyles, middleaged, nature, outdoors, overcast, park, people, person, photo, plant, plantation, reforestation, service, social, team, teamwork, teenage, together, tree, volunteer, volunteers, welfare, working, young,