Ключевые слова: among, background, bag, beautiful, blue, car, clean, cleaning, conservation, debris, decay, dirty, disposal, dump, dumping, ecology, environment, forest, garbage, grass, green, hazard, illegal, industry, junk, landfill, landscape, litter, nature, old, outdoor, park, pile, plant, plastic, pollution, protection, recycle, refuse, rubbish, site, sky, spring, summer, tires, trash, tree, trunk, waste, young,