Ключевые слова: alternative, animal, atmosphere, bill, bird, blue, branch, clean, cloud, coilturbine, cycle, development, dynamic, ecological, ecology, electricity, energy, environment, eolic, feather, garden, generator, grass, green, landscape, light, metal, mill, movement, nature, nuthatch, power, renewable, rotation, sky, songbird, support, sustainability, sustainable, target, tower, tree, turbine, watts, white, wild, wildlife, wind, windmill, wings,