https://youtu.be/n8kSGH4I8Ps?si=_zN-vfS95gHTgejw https://youtu.be/n8kSGH4I8Ps?si=_zN-vfS95gHTgejw It's a combination of internal and external factors. Internal

https://youtu.be/n8kSGH4I8Ps?si=_zN-vfS95gHTgejw https://youtu.be/n8kSGH4I8Ps?si=_zN-vfS95gHTgejw It's a combination of internal and external factors. Internally - wasting water and overpumping underground water table. Externally - climate change and Afghanistan damming couple of rivers flowing into Iran.