Looking down on Gaza from above, the landscape is stark: crowded urban blocks, few trees, and a seemingly barren environment. It’s tempting to ask whether the harsh Middle Eastern climate — the arid deserts, relentless sun, and scarce water — somehow “breeds” aggression in its people. The answer is more nuanced than stereotypes suggest.
Heat, Irritability, and Human Biology
Research in psychology and physiology shows that heat does affect mood. When the temperature rises, the body works harder to stay cool, increasing stress hormones like cortisol and reducing our capacity for self-control. Studies have consistently found that higher temperatures correlate with spikes in violent crime and irritability.
Laboratory experiments confirm this effect: in one study, college students in uncomfortably hot rooms exhibited heightened hostility, while drivers in Phoenix, Arizona, honked aggressively more often on sweltering days.
But these are short-term effects — the temporary impatience and irritability we feel on a hot day do not automatically translate into deep-seated aggression or cultural hostility.

Aridity, Scarcity, and Social Stress
Long-term exposure to arid environments does add layers of chronic stress. Water scarcity, limited arable land, and harsh living conditions can strain communities, creating potential for competition and conflict.
Historical cases support this: research into climate shocks, like prolonged droughts, shows an increased risk of civil unrest, especially in agrarian or water-stressed societies.
The Syrian drought between 2006 and 2010, for example, contributed to rural displacement and social instability prior to the outbreak of conflict in 2011.
Yet even here, the causal path runs through economic and political pressures, not through an inherent temperament shaped by the sun or sand. Scarcity breeds tension when governance and social systems fail — not because humans in deserts are naturally aggressive.
Culture as Adaptation
Interestingly, harsh climates often foster cooperation and restraint. Societies in deserts and other extreme environments have developed cultural norms to reduce conflict and survive.
Bedouin traditions of hospitality and communal water sharing, or Mediterranean siestas during peak heat hours, are examples of how human ingenuity and social adaptation counterbalance environmental stress. These cultures show that the same environment that could provoke irritation can also cultivate patience and cooperation.
The Takeaway
Heat can make us grumpy. Arid conditions can create pressure. But aggression is not a biological destiny dictated by the desert sun. What determines whether communities thrive or clash is human: the effectiveness of governance, social cohesion, equitable resource distribution, and the cultural norms we develop to cope with stress.
Next time you see Gaza or the Middle Eastern deserts from above, remember that the apparent barrenness tells only part of the story. Beneath the surface, human resilience, adaptation, and cooperation flourish — even under the harshest conditions.