AP Photo

Hard as it may be to believe when you see the images of the monsoon floods that are now devastating Pakistan, the country is actually on the verge of a critical shortage of fresh water. And water scarcity is not only a worry for Pakistan’s population — it is a threat to America’s national security as well.

Given the rapid melting of the Himalayan glaciers that feed the Indus River — a possible contributor to the current floods — and growing tensions with upriver archenemy India about use of the river’s tributaries, it’s unlikely that Pakistani food production will long keep pace with the growing population.