What is the chief problem associated with the use of groundwater in Southwest Asia and North Africa?
◦ polluted by agricultural chemical runoff associated with irrigation
◦ depleted faster than it can be replaced and is inherently unsustainable
◦ Groundwater in the region is often contaminated with crude oil.
◦ Sourcing new wells and drilling wells is too expensive.
◦ Groundwater tends to only be found in coastal regions.