Ключевые слова: alternative, blue, clean, clear, ecological, ecology, efficiency, electric, electricity, energy, environment, environmental, environmental conservation, equipment, farm, field, fuel and power generation, generate, generation, generator, global, green, green energy, industry, innovation, landscape, mill, nature, power, propeller, renewable, rotating, sky, social issues, sustainability, sustainable energy, sustainable resources, technology, turbine, wind, wind turbine, windmill, windpower,