Ключевые слова: activity, aquatic, awareness, black, cleanup, clothing, conservation, contaminated, contamination, control, damage, danger, dirty, ecological, ecosystem, effort, environment, environmental, hazardous, impact, issue, man, material, natural, nature, oil, outdoor, pollutants, pollution, protection, protective, resources, river, riverbank, suit, toxic, wading, waste, water, waterway, wildlife, yellow,