Afforestation refers to the planting of new forests on lands that historically have not contained forests. For a discussion of the term forest and related terms such as afforestation, reforestation and deforestation, see the IPCC Special Report on Land Use, Land-Use Change and Forestry.1 2
1. http://www.ipcc.ch/ipccreports/sres/land_use/
2. IPCC 2007, http://www.ipcc.ch/publications_and_...ssary-a-d.html