After a slew of likely contenders such as heart disease, anemia, thyroid disease, depression or a sleep disorder are ruled out, getting to the source of fatigue gets murky. Among the many next-tier suspects is the Epstein-Barr virus (EBV).
Indeed, 2.4 million of those at risk of famine were in southern Sudan, the main arena of the war. Southern Sudan occupies almost one third of the territory of Sudan, which at 2.5 million square kilometers is the largest country in Africa.
Worster suggests that the causes of the Dust Bowl, like those of the Depression, lay in Americaâs economic institutions and ethos. He also implies that this case study of environmental disaster has important implications for our own age, when drought, starvation, and ecological abuse are threatening the world.