Explain how physical and human factors contribute to an increased risk of water insecurity.

water insecurity is the result of not having accessible and reliable water stores Human:over abstraction- Israel pollution- chinadams.. less water down stream e.g. Mexico salinisation: over pumping in israel irrigation: Aral seaeconomic insecurity.. not having the right government infrastructurePhysical: - droughtcontinentality mismatch between physical distribution latitude el nino- drought tin peru and la nina