This is the first relevant article I read [1]. I&#x27;ve since gone through google scholar and there is lots of relevant research. &quot;Alarming&quot; doesn&#x27;t begin to cover it.<p>[1] <a href="http:&#x2F;&#x2F;arstechnica.com&#x2F;science&#x2F;2015&#x2F;11&#x2F;persian-gulf-temperatures-may-be-at-the-edge-of-human-tolerance-in-30-years&#x2F;" rel="nofollow">http:&#x2F;&#x2F;arstechnica.com&#x2F;science&#x2F;2015&#x2F;11&#x2F;persian-gulf-temperat...</a><p>Edit: as a summary, researchers claim that parts of the Persian Gulf will reach the &quot;threshold temperature&quot; within the next 30 years, hampering human development in these regions. &quot;Threshold temperature&quot; is the temperature where the human cooling mechanisms shut down, i.e. 35C at 100% humidity or 45C at 50% humidity.<p>Once you reach this temperature, even healthy individuals are at risk of fatal hyperthermia. Note that this doesn&#x27;t have to be sustained over the whole year - even a few days per year will likely trigger mass-migration. Climate change is likely to be the single most important issue we will have to deal with in the near future (we = human race).