Ключевые слова: background, bin, blue, box, can, city, clean, collect, colours, concept, conservation, container, day, denied, dirty, disposal, dump, dumpster, ecological, ecology, environment, environmental, garbage, grass, green, junk, litter, nature, object, outdoors, paper, plastic, pollution, protect, red, reduce, reuse, reusing, road, rubbish, separate, street, throw, trash, urban, waste, white, yellow,