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Environmental News Network 7.3.2007:

• Facing the biggest mass urbanisation in human history, China must slow the pace of new building; urbanites to live in smaller houses; 400 million people expected to flock to its cities over the next two decades
• Increasingly large buildings going up as urban areas expand at a rate of nearly 2 billion square metres a year; around half the world's new buildings go up in China each year, and the construction and use of the country's houses, offices and malls accounts for around 40 percent of its energy use
• Construction Ministry has said new buildings should become 50 percent more efficient in the five years to 2010
• Invest 1.5 trillion yuan ($194 billion) in renovations by 2020