Ключевые слова: bag, bottle, boy, care, child, clean, collect, collection, community, concept, container, cooperation, earth, eco, ecologic, ecological, ecology, ecosystem, environment, environmental, garbage, global, help, interaction, kid, landscape, litter, littering, nature, nurture, outdoor, outdoors, outside, park, people, person, pick up, picking, planet, plastic, pollution, problem, recycle, recycling, rubbish, trash, volunteer, volunteering, waste, young,