Ключевые слова: background, barrel, black, bottle, car, chemical, city, closeup, contamination, damage, danger, dirty, disposal, dump, ecological, ecology, engine, environment, environmental, fuel, gallon, garbage, gas, gasoline, global, ground, industrial, industry, land, landfill, natural, nature, oil, outdoors, petroleum, plant, plastic, pollute, polluted, pollution, protection, recycle, recycling, rubbish, sea, spill, toxic, trash, waste, water,