▪ IRRIGATION The huge Ogallala aquifer in the United States has become so depleted that irrigated land in northwest Texas has shrunk by a third for lack of water.
▪ IRIGASI Akuifer besar Ogallala di Amerika Serikat telah sangat terkuras sehingga tanah irigasi di barat laut Texas telah berkurang sampai sepertiganya akibat kekurangan air.