Ключевые слова: actions, assistance, association, care, charity, cleaner, cleaning, cleanup, community, dirt, earth, eco, ecology, elk, environment, foliage, forest, garbage, gardening, girl, grass, green, help, leaf, mother, national, nature, no profit, outdoors, park, people, person, plant, pollution, preservation, protection, protective, relief, street, teamwork, trash, tree, volunteer, women, wood, work, worker, world,