Desertification IALC: International Arid Lands Consortium Explores the problems and solutions unique to arid and semiarid regions. Many links. IISD / Desertsites A portal-like site with many links. RIOD: The International NGO Network on Desertification The RIOD network is open to every NGO or CBO active on desertification issues. This is the site on desertification. UNDP/UNSO: Office to Combat Desertification and Drought: Dryland Development Web Part of the UN Development Programme for promoting sound dryland management and development as well as drought preparedness and mitigation. Includes extensive links.