Ключевые слова: bag, ball, clean, concept, damage, danger, day, destruction, dirty, disaster, earth, ecology, ecosystem, environment, environmental, garbage, geometry, global, global warming, globe, green, hand, isolated, life, map, model, nature, planet, plastic, pollute, pollution, problem, protect, protection, recycle, recycling, rubbish, save, sphere, symbol, toxic, trash, waste, weather, world,