Ключевые слова: bag, beach, blue, bottle, chemical, clean, concept, conservation, container, contamination, damage, danger, dirty, dump, ecological, ecology, environment, environmental, expertise, flask, floating, garbage, glove, green, hand, lake, nature, ocean, person, plastic, polluted, pollution, problem, recycle, recycling, research, river, rubbish, sample, sand, science, scientific, sea, seaweed, substance, toxic, trash, unhygienic, water,