Ключевые слова: agriculture, air, alternative, backgrounds, biology, business, change, choice, clean, climate, cloud, concepts, conservation, construction, contemporary, dioxide, efficiency, electricity, energies, environment, environmental, field, fuel, generation, generator, green, individuality, industry, innovation, landscapes, mill, nature, pollution, power, rape, resource, rural, scene, sky, summer, supply, technology, turbine, wind, yellow,