desertification
/dɪˌzɜːrtɪfɪˈkeɪʃən/
noun
- The process by which fertile land becomes desert, typically due to drought, deforestation, or poor farming practices.
- Desertification is a serious problem in many parts of Africa.
- The United Nations has programs to fight desertification and restore drylands.
- Overgrazing by livestock can accelerate desertification.
Antonyms