Gaobeidian Railway City in China has the largest Passive House project in the world, showing how to scale energy efficient building. This single project totals 330,000 square meters of certified Passive House buildings.
Known as the Active Classroom, the energy-producing classroom stands as a shining example of what is possible as the U.K. and other nations attempt to transform their energy systems in response to climate change.
A prototype of an energy-efficient house which can send alerts if its residents are ill has been developed.
Last week the One Tonne Life project began in Stockholm and TreeHugger was there to meet the key players in this fascinating low carbon lifestyle experiment. To recap, the Lindell family have moved