Timber structures may seem old fashioned, but timber is gaining new interest as a sustainable building material. Properly-managed timber stocks provide a renewable source of lightweight, thermally efficient, building material that can be domestically produced. In the field of geotechnical engineering, timber piles are being considered as a way of sequestering carbon since carbon-rich wood is preserved from decay by installing it in saturated soil.
http://www.usda.gov/wps/portal/usda/usdahome?contentid=2014/03/0041.xml&contentidonly=true
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