Ключевые слова: abstract, alternative, awareness, background, bright, bulb, conservation, conserve, conserving, earth, eco, ecological, ecology, effect, electric, electricity, element, energy, environment, environmental, global, globe, glow, graphic, green, greenhouse, icon, idea, imagination, incandescent, inspiration, invention, land, light, lightbulb, macro, marketing, natural, nature, philosophy, plant, power, protect, recycle, recycling, reflection, reuse, round, save, science, shiny, smart, solutions, solve, symbol, think, transparent, vision, voltage, warming, waterhealth, watt, worldsphere,