Question

what effort should be made to prevent drought/famine from occurring?​

Answer 1

Answer:

Desalination – of sea water for irrigation or consumption. Drought monitoring – Continuous observation of rainfall levels and comparisons with current usage levels can help prevent man-made drought.

Answer 2

Choose a water-efficient irrigation system such as drip irrigation for your trees, shrubs, and flowers. Turn irrigation down in fall and off in winter. Water manually in winter only if needed. Put a layer of mulch around trees and plants to reduce evaporation and keep the soil cool.