Ключевые слова: bag, ball, clean, climate, concept, contamination, continent, crysis, damage, danger, destruction, dirty, disaster, dump, earth, ecology, environment, environmental, faith, future, global, green, hand, healthy, human, litter, map, no, planet, plastic, pollution, polyethylene, prevention, problem, protect, protection, recycle, recycling, save, say, sphere, symbol, text, to, toxic, trash, trashing, warning, waste, world,