Ключевые слова: abstract, art, background, bio, blue, clean, concept, conceptual, conservation, design, earth, eco, ecological, ecology, element, energy, environment, environmental, friendly, global, globe, go, go green, green, growth, isolated, label, leaf, life, message, natural, nature, organic, planet, plant, protection, recycle, recycling, save, sign, sky, sphere, summer, symbol, text, tree, white, word, world,