Ключевые слова: abstract, alternative, background, bio, biology, blue, care, co2, concept, conceptual, conservation, creative, day, development, earth, eco, ecology, ecosystem, electricity, element, elements, empty, energy, environment, friendly, global, globe, graphic, growth, hand, holding, human, idea, international, life, love, map, modern, natural, peace, planet, power, protect, protection, responsibility, save, sphere, symbol, wind, world,