Just because a building has to be solid and tough, it does not mean that the materials used to construct it have to be hard-core polluting steel and concrete. Not long ago we drew your attention to eco-friendly cement, which can be used in the making of concrete, now it is time to move on to other eco-friendly materials. A team of scientists from University of Bath, UK, working under the HIVE project, has set their eyes on using hemp as a replacement to oil-based products in insulating materials.
http://www.greenoptimistic.com/2014/10/07/bio-material-made-hemp-absorbs-pollutants-improves-insulation/#.VDRToRbCcz4
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