Ключевые слова: bio, biology, blue, boy, business, care, careful, child, clean, climate, concept, conceptual, conservation, conserve, continent, creativity, earth, earth day, eco, ecology, ecosystem, energy, environmental, finger, fragile, fragility, geography, global, globe, green, hand, holding, human, idea, innovate, life, map, nature, new, object, palm, preservation, protect, protection, safety, symbol, technology, transform, world,