Studied by 1 person
Appropriate technology
Technology suited to the needs, skills, knowledge and wealth of local people and their environment
Arid
Dry, with little or no rainfall
Commercial farming
Growing crops or raising livestock for profit, often involving vast areas of land
Evaporation
The process of water changing from liquid to vapour
Irrigation
Artificial application of water to the land or soil
Nocturnal
Active during the night
Over-Cultivation
Where the intensive growing of crops exhausts the soil leaving it barren
Overgrazing
Too many livestock eating plants faster than they can regrow, so the land is unable to recover
Soil Erosion
Removal of topsoil faster than it can be replaced, due to natural (water and wind action), animal, and human activity
Sustainability
Actions that meet the needs of the present without reducing the ability of future generations to meet their needs
