Ключевые слова: abstract, alternative, bio, car, care, design, eco, ecology, efficiency, electric, electrical, electricity, energy, environment, environmental, flat, green, home, house, hydro, hydroelectric, icon, idea, illustration, industry, info, layout, light, line, nature, nuclear, oil, planet, plant, power, protection, recycle, renewable, resource, safe, save, saving, set, source, sustainable, tank, tree, water, wind,