Ключевые слова: abstract, alternative, bio, business, circle, clean, company, concept, creative, design, eco, ecological, ecology, electric, electricity, element, energy, environment, environmental, friendly, graphic, green, icon, idea, identity, illustration, industry, innovation, isolated, leaf, light, logo, modern, natural, nature, organic, plant, power, recycle, recycling, renewable, sign, solar, sun, sustainable, symbol, technology, template, tree,