Ключевые слова: alternative, alternative energy, america, background, california, clean, climate, collector, desert, dry, eco, ecological, ecology, economy, electric, electrical, electricity, energy, environment, environmental, free, generate, generator, hot, industrial, innovative, modern, nature, outdoor, palm springs, panel, power, propeller, renewable, resources, sky, solar, solar panels, summer, sun, sunlight, sunny, sustainable, system, technology, turbine, watts, wind, windmill, windmills,