Ключевые слова: alternative, bulb, circle, colors, community, conservation, consumption, cooperation, diverse, diversity, earth, eco, ecofriendly, ecology, efficiency, efficient, electric, electricity, energy, environmental, fluorescent, future, global warming, green, group, human, humanity, idea, imagination, innovation, inspiration, invention, isolated, light, lightbulb, new, people, person, planning, solution, sustainability, sustainable, team, teamwork, technological, technology, together, white, wooden,