Ключевые слова: air, alternative, battery, car, carbon, clean, climate, co2, conservation, contamination, earth, eco, ecology, ecosystem, electric, electricity, emission, energy, environment, environmental, garbage, generation, green, hydroelectric, industry, light, nature, nuclear, panel, planet, plant, pollution, power, protection, recycling, reduction, renewable, save, solar, station, sustainable, technology, transport, tree, warming, water, wind, windmill, world,