October 20, 2016 9:41 PM Subscribe
New techniques mean that wood can now be used for much taller buildings - "Wood has many attractions as a construction material, apart from its aesthetic qualities. A wooden building is about a quarter of the weight of an equivalent reinforced-concrete structure, which means foundations can be smaller. Timber is a sustainable material and a natural 'sink' for CO2... Using wood could reduce their carbon footprint by 60-75%, according to some studies. There are two main concerns about using wood to build high. The first is whether wood is strong enough... the second worry: fire."
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