Ключевые слова: background, bin, care, clean, color, concept, conservation, container, contamination, earth, eco, ecology, environment, environmental, garbage, global, green, hand, litter, male, man, object, people, person, pollution, prevention, protection, recycle, recycling, reduction, renewable, resources, responsibility, reuse, rubbish, save, sorting, throwing, trash, types, wall, waste, world,