Ключевые слова: background, blue, concept, damage, danger, destruction, dirt, dirty, disaster, earth, eco, ecological, ecology, environment, environmental, factory, garbage, global, globe, green, industrial, industry, management, municipal, natural, nature, ocean, plastic, poison, polluted, pollution, problem, problems, protection, recycle, recycling, river, rubbish, shore, solid, source, spill, toxic, trash, warming, waste, water, white, world,