Ключевые слова: 3d rendering, background, banner, bulb, clean, conservation, earth, earth day, earth hour, eco, ecological, ecology, ecosystem, electric, electrical, electricity, energy, environment, environmental, global, globe, green, hour, idea, illustration, innovation, invention, lamp, light, lightbulb, map, nature, planet, pollution, power, protect, protection, recycle, renewable, save, saving, solution, symbol, technology, turn off, warming, waste, world,