Ключевые слова: accid, alternative, chance, clock, concept, creative, eco, ecofriendly, ecologic, ecology, electric, electricity, energy, environment, fumes, future, generate, generation, globe, green, idea, innovation, last, natural, pollute, pollution, power, process, protect, renewable, resource, sky, solution, sources, sustainable, symbol, technological, ticking away, time, turbine, white, wind,