Ключевые слова: action, awareness, bulb, change, clear, conservation, creativity, daytime, development, earth, ecofriendly, education, enclosed, energy, floor, future, globe, green, growth, hope, humanity, idea, innovation, inspiration, leaf, leafy, light, lighting, motivation, optimism, outdoors, people, pollution, population, rays, renewable, resources, responsibility, science, setting, shadow, solution, stone, surface, sustainability, sustainable, warming, world,