Land

Aide, T. M., Montoro, J. A., Jr., S. M. B., Valle, H. F. del, Devisscher, T., Jabbour, J., Kant, S., et al. 2012. Land. The Fifth Global Environment Outlook (GEO-5) (pp. 65-96). United Nations Environment Programme. 

Download the publication here: http://unep.org/geo/pdfs/geo5/GEO5_report_C3.pdf