Ключевые слова: abstract, awareness, background, bio, biology, care, clean, company, concept, conservation, day, design, development, earth, eco, ecological, ecology, ecosystem, energy, environment, environmental, forest, friendly, global, globe, green, grow, growth, hope, idea, illustration, label, leaf, life, map, natural, nature, planet, plant, protect, protection, recycle, recycling, reusing, safe, save, sustainable, symbol, tree, world,