In the latest issue of the International Journal of Mathematics and Operational Research, scientists have published a mathematical model, which is meant to help these individuals relocate as safely and fast as possible, when the threats become real.
One of the population segments most at risk is that now living in semi-arid regions, which will turn into desert in a couple of decades, with soils unable to support even the most basic forms of agriculture in the absence of irrigation systems. Constructing such watering systems in areas of the world that are already short on the stuff will be close to impossible, analysts fear, so the only remaining option is for these people to move from their homes to a more hospitable land.
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