Desert greening is made up of any number of methods used to revitalize deserts. So far, only arid and semi-arid desert are meant when using this expression. The icy deserts and other types are considered to be unsuitable.
The different methods include landscaping methods to reduce evaporation, erosion, consolidation of topsoil, temperature, sandstorms and more, permaculture in general, planting trees, regeneration of salty, polluted, or degenerated soils, floodwater retention and infiltration, greenhouse agriculture, seawater farming, inland mariculture, prevention of overgrazing and firewood use, and training of local residents to care for water systems, plantings etc.
Image Caption: CA Fan Palms Reflect in Lake Tuendae Oasis at Zzyzx. Credit: Mike Baird/Wikipedia (CC BY 2.0)