Desertification is a function of dryness not heat, the desert zones should stay more or less where they are apart from some minor tweaks caused by things like the shutdown of local monsoons. In theory, if everything is hotter then there should be more moisture getting evaporated from the sea and turned into rain than is currently the case although I may stand to be corrected in this lot by those who actually know about the subject at hand. The problem isn't particularly that the world will run into difficulties, its just that there are large chunks of the planet that will stop being able to support as many people in as much comfort as they currently do. And as you already mentioned, 2bn (random guess BTW) displaced and disenfranchised people will make al Qaeda and the global financial crisis look like small beer and as the richest and softest targets we all have the most to lose.
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timeasmymeasure
no subject
Date: 2008-09-28 08:24 pm (UTC)