Ключевые слова: animal, background, chemical, closeup, concept, contaminate, contaminated, damage, danger, dangerous, day, dead, deadly, death, decay, dirty, disaster, ecological, ecology, ecosystem, environmental, fauna, fish, fishes, harmful, lake, litter, nature, object, outdoors, plastic, poison, poisoned, pollute, polluted, pollution, pond, problem, river, rot, rotten, rubbish, save, stones, toxic, tragic, trash, waste, water, wildlife,