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Construction for Landscape Architecture by Jamie Liversedge, Robert Holden

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Sustainability of lumber

Lumber can be sustainably sourced, but it is important to be careful. A major concern is the loss of virgin tropical forests, where many hardwoods are found and which are valuable as a carbon sink. The UN Food and Agricultural Organization (FAO) reports that primary forests are being lost or "modified" at the rate of about 15 million acres a year.8 It should therefore be ensured that the source is a sustainably managed forest.

There are various sustainable lumber certification systems current, including the:

  • PEFC, formerly known as the Pan European Forest Certification System;
  • American Tree Farm System (ATFS);
  • Canadian Standards Association Sustainable Forest Management Program (CSA, endorsed by PEFC in 2005);
  • Forestry ...

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