Ключевые слова: awareness, background, banner, blue, campaign, care, celebration, clean, concept, conceptual, conservation, creative, day, design, drop, earth, eco, ecological, ecology, education, element, energy, environment, environmental, fresh, freshness, global, globe, green, hand, illustration, international, life, natural, nature, ocean, planet, poster, protect, protection, recycle, responsibility, save, sign, sustainability, symbol, water, world,