Ключевые слова: alternative, brainstorm, bright, bulb, burn, climate, consumption, cost, costs, demand, ecologically, ecology, efficiency, energetic, energy, environmental, environmentally, filament, filaments, friendly, future, idea, incidence, industry, innovation, lamp, light, mining, ordinance, photo, power, prices, progress, protection, resouces, save, saving, shine, supply, sustainability, symbol, technology,