Cattails - Typha sp - are a very useful material, one that can be effectively employed for a variety of very different purposes. Throughout history, they have served as a nutritious food source, a source of downy material for bedding, a raw material for wickerwork, a means of cleaning wastewater at sewage treatment plants and of removing toxins from soils, and as a medicinal plant. And now, researchers at the Fraunhofer Institute for Buildin ...
http://cleantechnica.com/2013/06/14/cattails-as-building-insulation-ne
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