By Dr. M. Iqbal Siddiqui
The streets fall silent well before noon. Asphalt softens under an unforgiving sun. Hospitals begin to fill – not with casualties of war, but with bodies overwhelmed by heat. Across much of South Asia, this is no longer a distant projection; it is an intensifying reality. Forecasts warn that temperatures may approach an unthinkable 55°C – a threshold that tests not only infrastructure and endurance, but the very limits of human survival.
More than fourteen centuries ago, the Qur’ān articulated a principle that resonates with striking clarity today: “Corruption has appeared on land and sea because of what people’s hands have earned…” (30:41). Though not couched in scientific language, the verse captures a timeless truth: unrestrained human excess disturbs the balance of the natural world.
What we are witnessing is not a mere fluctuation in the weather. It is the cumulative outcome of industrial, economic, and political choices made over generations. Rising temperatures, intensifying heatwaves, and the creeping uninhabitability of entire regions are not isolated events; they are interconnected signs of a deeper disorder – one that blurs the line between environmental crisis and ethical failure.
In this sense, 55°C is not just a projection; it is a reckoning. It forces a confrontation between data and lived experience, consequence and responsibility. The question is not only how high the temperature will rise, but whether humanity will heed this warning – and, as the verse suggests, return.
The Science of Extreme Heat
The warming of the planet is driven by the Greenhouse Effect, a natural process intensified by human activity. The combustion of fossil fuels, deforestation, and industrial expansion have increased concentrations of heat-trapping gases, altering the Earth’s energy balance.
Recent years are the warmest on record globally. Temperature records since the late 19th century show a clear upward trend, with recent decades marking unprecedented acceleration. Extreme heat events, once rare, are now more frequent, prolonged, and intense. In this context, projections of temperatures approaching 55°C are no longer implausible, especially in regions such as South Asia and the Middle East.
Crucially, survival depends not only on air temperature but on wet-bulb temperature, which combines heat and humidity. Beyond a threshold of around 35°C wet-bulb, the human body can no longer cool itself effectively. Exposure at such levels, even for limited periods, can prove fatal. What emerges, therefore, is a shift from discomfort to danger, and from danger to uninhabitability.
Heat and Human Survival
Extreme heat exerts a direct and escalating toll on the human body. Heat exhaustion can quickly advance to heat stroke; dehydration places strain on vital organs; prolonged exposure increases the risk of cardiovascular collapse. These risks are intensified for the elderly, children, and those engaged in outdoor labour.
Yet vulnerability is shaped as much by social conditions as by biology. For millions, protection from heat remains out of reach. Informal workers continue under the open sky; densely populated urban settlements trap heat; access to water and cooling is limited or uncertain. The burden falls disproportionately on those with the least capacity to adapt.
What unfolds is a layered crisis, where physiological limits intersect with structural inequality. Heat ceases to be an environmental condition alone; it becomes a determinant of survival, exposing the fragility of both bodies and systems.
Heat, Conflict, and the Economics of Survival
Rising temperatures place sustained pressure on economic and social systems. Agricultural output declines, water resources diminish, and livelihoods become increasingly precarious. As productivity falls, particularly in outdoor sectors, incomes shrink and economic stress deepens.
These pressures rarely remain contained. Scarcity of water and land intensifies competition, especially in regions already marked by political fragility. Under such conditions, environmental stress can heighten tensions, contributing to unrest and, in some cases, conflict.
At the same time, energy systems face growing strain. Demand for cooling rises sharply, often exceeding supply capacities and triggering outages. The resulting disruptions affect not only households but also healthcare, industry, and governance itself. War compounds these pressures in less visible ways. Bombing, fires, and military operations generate emissions, destroy infrastructure, and deepen resource insecurity. War may not heat the planet in an instant, but it accelerates the very processes that make it unliveable.
The trajectory is cumulative: environmental stress feeds economic instability, which in turn exacerbates social and political tensions. Heat thus emerges as a force that reshapes not only climates, but the conditions of coexistence.
Governing a Warming World
The scale of the crisis demands responses that are both immediate and structural. Governments across the world have begun to recognise the urgency of rising heat, introducing heat action plans, early warning systems, and public awareness campaigns. These measures, while necessary, remain uneven in reach and effectiveness.
Urban expansion continues with insufficient regard for heat mitigation. Concrete spreads while green cover declines, intensifying the urban heat island effect. Water management is often reactive rather than anticipatory, and long-term planning struggles to keep pace with accelerating climate realities. At the global level, commitments to emission reduction are frequently diluted by political hesitation and competing economic priorities.
Adaptation offers partial relief – through cooling technologies, climate-resilient infrastructure, and improved planning – but its limits are increasingly evident. As temperatures approach thresholds that challenge human survivability, the capacity to adapt narrows. What emerges is not a failure of awareness, but a gap between recognition and action.
The challenge, therefore, is not one of response alone, but of scale, intent, and coherence. It calls for a shift from incremental adjustment to systemic transformation – where governance is guided not by short-term expediency, but by long-term responsibility and ecological balance.
An Ethical Reckoning
At its core, the climate crisis reflects a breakdown of restraint, an erosion of limits that once governed humanity’s relationship with nature. The Qur’ān offers a striking moral frame: “Corruption has appeared on land and sea because of what people’s hands have earned, so that He may let them taste part of what they have done, that perhaps they will return” (30:41). Read alongside contemporary science, the verse acquires renewed immediacy. Rising temperatures, collapsing ecosystems, and intensifying heatwaves are not isolated disruptions; they are, in another register, the visible imprint of human excess.
The Qur’anic term fasad extends beyond moral decay in the abstract. It denotes disorder in the natural order itself. When balance (mizan) is disturbed – through unchecked extraction, waste, and indifference – the consequences reverberate across land and sea. Climate change is not an external calamity imposed upon humanity; it is a condition shaped by patterns of production, consumption, and power that have long ignored ecological limits.
The Prophetic tradition sharpens this ethical horizon. The Messenger of Allah ﷺ described the world as both beautiful and entrusted: “The world is green and pleasant, and Allah has appointed you as stewards (khulafa) over it, to see how you act.” This framing transforms the environment from a mere resource into an Amanah – a trust that carries responsibility. In another report, he cautioned against excess even in acts of worship: “Do not waste water, even if you are at a flowing river.” The ethic is clear – restraint is not situational; it is principled.
Equally significant is the Prophetic encouragement of ecological care as an enduring moral act: “If a Muslim plants a tree or sows seeds, and a bird, person, or animal eats from it, it is regarded as a charity (sadaqah) for him.” Here, environmental stewardship is elevated to an act of devotion – one that benefits all forms of life. The preservation of balance (mizan), therefore, is not only a scientific necessity but a spiritual obligation embedded within a wider moral vision.
The latter part of the Qur’anic verse is equally instructive: “that He may let them taste part of what they have done.” The phrasing is measured – part, not the whole – suggesting both consequence and mercy. What we see today in the form of extreme heat, water stress, and ecological degradation may well be an early indication of a trajectory that, if left unchecked, could lead to far greater devastation. The experience of heat is thus not only physical; it is revelatory. It compels recognition.
Yet the verse does not end in despair. It gestures towards the possibility of return (ruju) – a reorientation of human conduct. In contemporary terms, this return entails a shift from exploitation to stewardship, from excess to balance, from short-term gain to long-term responsibility. It calls for more than technological fixes; it demands ethical transformation – reconsidering how economies function, how resources are distributed, and how power is exercised.
This reckoning is inseparable from justice. Those who have contributed least to environmental degradation are often those who suffer its harshest effects. To return, therefore, is not only to reduce emissions or adopt sustainable practices; it is to confront inequity, recognise historical responsibility, and ensure that responses to climate change do not replicate existing injustices.
In this light, the rising heat becomes more than a climatic phenomenon. It is a mirror – reflecting the consequences of human choices and inviting a response that is at once moral, collective, and urgent. The verse, read alongside Prophetic guidance on stewardship, trust, and balance, does not merely describe a condition; it poses a challenge: whether humanity will persist in a path of imbalance, or heed the warning embedded in the world it has shaped – and return.
The Threshold of Survival
A temperature of 55°C is more than a statistic. It marks a boundary – a point at which the familiar rhythms of life begin to falter, and the conditions that sustain human existence come under strain. What was once an exceptional heat risks becoming a recurring reality.
The science is unequivocal. The humanitarian consequences are already visible. The political and economic challenges are deepening with each passing season. Yet the crisis is not confined to data or projections; it speaks to the kind of world human choices have set in motion.
In this light, the warning acquires a deeper resonance. The unfolding climate crisis reflects, in many ways, “what people’s hands have earned” – a disturbance of balance whose effects are now being felt across land and sea. The rising heat is not only an environmental condition; it is a moment of reckoning.
What remains uncertain, however, is whether humanity can respond with the urgency and unity that this moment demands. The possibility of return – of restoring balance, of acting with restraint and responsibility – still exists, but its window is narrowing.
The question, therefore, is no longer whether the planet is warming. It is whether we will recognise the warning embedded in that warming – and act before the threshold we approach becomes irreversible.
