Ключевые слова: bio, biological, business, care, clean, collaborative, community, conservation, corporate, csr, day, development, drink, earth, eco, ecological, ecology, efficient, energy, engineering, environment, environmental, family, friendly, friendship, global, green, hand, health, healthy, hygiene, international, kindness, life, nature, ocean, peace, preservation, protection, pure, responsibility, safe, sanitation, save, social, sustainability, sustainable, trust, volunteer, water,