Ключевые слова: alternative, balance, bright, celebration, closeup, conceptual, conservation, consumption, creative, day, decorative, digital, earth, eco, ecologic, ecological, ecology, electric, electricity, energy, environment, environmental, equipment, friendly, glass, global, green, idea, incandescent, innovation, isolated, lamp, leaf, lightbulb, natural, nature, nobody, party, pollution, power, problem, recycle, recycling, resource, reuse, saving, solution, symbol, technology, utilization,