Drought contributed to the fall of civilizations such as the Maya and the Indus Valley or Harappan civilization.
Some anthropologists think that both natural disasters and misuse of the environment contributed to the decline of many civilizations. Natural hazards such as drought, floods, and tsunamis, become natural disasters as they impact civilizations. Drought contributed to the fall of civilizations such as the Maya and the Indus Valley or Harappan civilization.