Ключевые слова: awareness, bio, biology, business, care, clean, concept, conservation, cultivation, day, earth, eco, ecofriendly, ecological, ecology, economy, ecosystem, efficiency, energy, environment, environmental, forestry, friendly, global, green, health, healthy, international, life, living, long, longevity, medicine, nature, oxygen, peace, photosynthesis, plantation, planting, preservation, prosperity, protection, safety, save, soil, sustainability, sustainable, tree, volunteer, world,