Ключевые слова: alternative, battery, blue, cell, city, clean, concept, conservation, eco, ecological, ecology, economy, electric, electrical, electricity, energetic, energy, environment, environmental, equipment, generation, glass, global, green, industry, lamp, landscape, lantern, light, modern, panel, plant, power, production, renewable, residential, resource, road, saving, solar, street, streetlight, sun, sunlight, supply, sustainability, sustainable, system, technology, tower,