& nbsp; & nbsp; & nbsp; & nbsp; & nbsp; in the recently held a & ldquo; the Ninth International Conference of green building & rdquo; lived Qiu, Vice Minister of the Ministry of Construction said, the current green building has formed a global consensus, the rapid development of China's green building, every year the number of green building will be doubled. He predicts that by 2020, China's investment in energy saving construction projects will reach at least 1.5 yuan.