Ключевые слова: alternative, change, city, clean, climate, concept, connection, consumption, disconnected, echo, ecological, ecology, economy, edifice, electricity, energy, environmental, global warming, green, greenhouse effect, house, independent, information, message, network, nobody, own, paper, photovoltaic, power, production, quote, renewable, retro, self, self dependent, selfconsumption, solar, solution, sun, sustainability, sustainable, system, text, town, typewriter, without, writing, your,