Ключевые слова: alternative, bulb, business, concept, development, earth, eco, ecological, economy, electricity, energy, environment, environmental, finance, fossil, friendly, fuel, future, generate, global, globe, grass, green, grow, growth, idea, investment, jungle, leaf, map, natural, nature, panel, planet, pollution, power, recycling, renewable, renewal, save, signs, sky, solar, sphere, storage, sustainable, technology, tree, water,