Ключевые слова: background, bottle, concept, conservation, container, contamination, copy space, cup, dirty, dump, ecological, ecology, ecosystem, empty, environment, environment day, environmental, forest, garbage, grass, green, ground, junk, litter in water, nature, outdoor, park, plastic, plastic pollution, pollute, polluted, pollution, pollution lakes, polyethylene, problem, protection, recycle, recycling, river, rubbish, spring, summer, trash, tree, used, waste, water, wildlife,