Geography - Extreme Environments - Deserts - Desertification

Desertification:

• Desertification occurs when land is turned into desert.
• It occurs mainly in the land surrounding the worlds most major desert's.
• It happens mainly because of human activity and climate change.
• The Sahel (case study):
  • The area of greatest risk is currently The Sahel region.
  • From the 1950's to the 1970's the area has gone from above average rainfall to below average and is decreasing intensely, leading to extreme drought.
• Over-grazing =…