gq: Population has outstripped the supply of freshwater, usually from rainfall. The northern atolls get 50 inches (1,300 mm) of rainfall annually; the southern atolls about twice that. The threat of drought is commonplace throughout the island chains.
Question: What is the main source of fresh water for the Marshall Islands? Question: How many millimeters of rain do the northern atolls of the Marshall Islands receive? Question: How much more rain do the southern atolls get compared to the northern? Question: What is the Marshall Islands often threatened with?