Public seek relief at a public cooling station in Paris as an intense heatwave grips much of Europe (Photo: Media India Group)
There is an unmistakable irony in this moment. The continent that gave the world the Industrial Revolution, modern refrigeration and much of the advanced technological architecture of the 20th century, is now struggling to find a technology that will help it break the vicious circle of ever-increasing temperatures, especially its intense and frequent heatwaves, which in turn are the greatest unintended consequence of that very success.
From the 16th to the beginning of 20th century, Europe was the global centre of innovation and invention, and projected power across much of the globe. Now it finds itself at the frontline of another global transformation, but this is the one where Europe would have preferred not to be the leader, the dramatic impact of climate crisis in shape of frequent and ever-intensifying heatwaves.
The irony is profound. Modern refrigeration and air-conditioning are among humanity’s greatest technological achievements. Singapore’s founding Prime Minister Lee Kuan Yew once called air-conditioning “one of the signal inventions of history”. But that comment was related work-efficiency and allowing work to continue year-round rather than being limited to the early morning or dusk. It was not really applicable to Global North upon which the nature had generously bestowed with ‘cool’ ambience that allowed them long summer vacations to enjoy!
But now all that seems to in fast fading memories. In 2026, it is evident that Europe is bearing the brunt of climate change with rapidly rising temperatures. According to meteorological experts, Europe’s current heatwave is not simply another weather event. It is an ‘Omega Block’ in the jet stream that has created a persistent heat dome, trapping hot air over Western Europe while drawing even hotter air northwards from Africa.
But such atmospheric blocking is not unprecedented. Similar events occurred in 2003, 2019, 2021 and 2023. What has changed now is the that frequency and intensity of the heat-waves are running faster than Europe’s complacency. Europe has become the fastest-warming continent on Earth. This year, the average temperatures are almost double the normal, with peak temperatures now standing as much as 20°C higher than the normal of 22-25°C. The same meteorological phenomenon that once produced an uncomfortable summer now produces record-breaking temperatures, prolonged heat stress and widespread disruption in education, health and even behavioural change.
But the heatwave can not blamed on a freak natural phenomenon. For, Nature seldom works through a single cause. It operates through multiple, complex and inter-linked systems. The Omega Block provided the trigger, but decades of accumulation of billions of tonnes of greenhouse gases, almost entirely generated by the rich countries, supplied the fuel. The result is that temperature records are no longer broken by fractions of a degree but are often surpassed by several degrees. Heatwaves are arriving earlier, lasting longer and affecting larger populations. This is Nature reminding us that in complex systems, small shifts in averages can produce enormous changes at the extremes.
Also Read: European heatwaves linger on at fag end of summer
Now, as Europe seriously considers adopting large-scale airconditioning and refrigeration to counter the heatwaves, it should be careful about not creating another long-term problem. Certainly, these can provide short-term relief and refrigeration and air conditioning do help in preserving food, protects vaccines, safeguards medicines, enable global trade and save countless lives every day. But they have the unintended consequence of the accumulation of greenhouse gases that now make cooling an essential requirement for survival rather than merely a convenience. We invented refrigeration to escape heat, but we simultaneously intensified the processes that are making the planet hotter. Few examples better capture the paradox and indeed, the oxymoron, of modern development.
Europe should not have been caught by surprise by this heatwave. Scientists have warned for decades that climate change would increase the frequency and intensity of extreme heat. Weather agencies forecast this particular event days in advance. The failure lies elsewhere. It is a failure to convert knowledge into preparedness. Prediction without preparation is arm-chair complacency.
Many European cities were designed for a different climate. Buildings were engineered to retain warmth during long winters rather than release it during scorching summers. Historic urban centres, while architecturally magnificent, often intensify heat retention. Electrical grids were developed to meet winter heating demand, not simultaneous summer cooling loads. Air conditioning remains relatively uncommon in many European countries. Adapting millions of buildings, transport systems and public spaces to a rapidly changing climate requires decades of investment, while climate change is accelerating year by year.
Europe’s rising temperatures are driving growing demand for air conditioning
The lesson extends far beyond Europe. At a time when Artificial Intelligence dominates global headlines, the climate crisis exposes another shortage that receives far less attention, collective intelligence and collective actions. Humanity has developed astonishing computational capability. We can build quantum computers, deploy autonomous vehicles, decode genomes and train increasingly sophisticated AI models. Yet when it comes to implementing climate solutions already known to science, progress remains painfully slow. Technology has advanced faster than governance. Scientific understanding has advanced faster than political consensus. Algorithms have become smarter while institutions often remain trapped in short electoral cycles and geopolitical rivalries.
The contrast becomes even sharper when viewed against today’s geopolitical landscape. Many advanced economies that once shaped global industrialisation and, through it, much of the world’s carbon trajectory, are increasingly consumed by strategic competition, security concerns and economic fragmentation. International cooperation, the very force that enabled landmark environmental agreements in the past, is yielding ground to geopolitical hesitation. Climate diplomacy is becoming more difficult precisely when it is needed most. Collective Intelligence and action used to achieve the success of protecting the ozone layer under the Montreal Protocol has been forgotten and has given way to ‘trading the tariffs’ and ‘traversing the thresholds’.
The consequence is predictable. Societies gradually drift from climate management to disaster management. Instead of investing sufficiently in prevention and resilience, governments find themselves responding to emergencies. Schools close, hospitals prepare for heat-related illnesses and public buildings become temporary cooling shelters. Railways slow down, power systems strain and emergency services work around the clock. Disaster response becomes the visible face of climate policy, while long-term adaptation struggles to keep pace. This is neither efficient nor sustainable.
Moreover, each passing month the quantity of heat emitted worldwide to cool the data centres that are essential for AI and digital technologies are enhancing the intensity of the Omega Block or the ‘Heat Dome’.
Every dollar delayed in accelerated mitigation every Euro held back from preparedness eventually multiplies in heightening the demands for resources for emergency response. Nature invoices us with compound interest.
Also Read: Increasing threat of heatwaves on Indian economy
World Refrigeration Day, therefore deserves to be understood in a broader sense. Its 2026 theme, Cool Intelligence, celebrates the knowledge, engineering and skills behind sustainable cooling technologies. Yet perhaps the world now needs an even wider interpretation of those two words. We need ‘cool intelligence’ in public policy, in urban planning, in finance and in diplomacy. Cooling should no longer mean only lowering planetary temperatures. It should also mean cooling global emissions, cooling geopolitical tensions and cooling the widening gap between the scientific evidence and speed of public action.
Fortunately, humanity has already demonstrated that global cooperation on cooling is possible. The Montreal Protocol remains one of the greatest examples of preventive environmental diplomacy. Nations with very different political systems, economic capacities and strategic interests came together to protect the ozone layer with ‘ sustainable cooling’ through refrigerants with lower ozone depleting potentials while bettering the energy efficiency.
Later, the Kigali Amendment to the Montreal Protocol expanded that vision by addressing hydrofluorocarbons with significant climate benefits. These agreements succeeded because science, industry, governments and international institutions worked with a shared purpose rather than fragmented geo-political interests . That spirit is needed again, not only for refrigerants, but for climate mitigation and resilience.
The Global South should view Europe’s experience not with complacency but with humility. Today’s crisis offers tomorrow’s lesson. Countries across Asia, Africa and Latin America are urbanising at unprecedented speed. The infrastructure built over the next two decades will determine resilience for generations.
There is still time to design cities that embrace passive cooling, urban forests, reflective materials, climate-responsive architecture, efficient cold chains, low-global-warming refrigerants and renewable energy-powered cooling systems. Development and environmental stewardship are not opposing choices. Nature has never recognised such a divide. Sustainable development is not about choosing between economic growth and environmental protection; it is about ensuring that each reinforces the other.
Europe has missed skill building of university-youth for ‘Net Zero’ . Universities have unparallel potential for ‘Cool and Sustainable’ transformation. Every University campus in Asia , Africa and Latin America is assuming to be living laboratory for sustainable cooling. Engineering departments can develop next-generation refrigeration technologies. Architecture schools can redesign buildings for passive thermal comfort. Agricultural universities can strengthen climate-smart cold chains that reduce food loss. Medical colleges can advance heat-health preparedness. Management schools can develop innovative financing models for resilient infrastructure.
Through global-south networks such as the Smart Campus Cloud Network (SCCN) universities can become humanity’s largest collaborative platform for translating knowledge into action. The next generation of climate leadership will not emerge only from conference halls; it will emerge from campuses where students learn by solving real problems in their own communities.
On this World Refrigeration Day, continent that invented modern refrigeration reminds us that technology and Artificial Intelligence alone cannot cool an overheating civilisation. The true intelligence the world now needs is cool-collective-intelligence to align science, policy, innovation and human values. But this may already be late. Nature is already delivering its next lesson, at sky-rocketing misery and cost.
(Rajendra Shende is a former Director UNEP, Founder Director Green TERRE Foundation, coordinating lead author, IPCC that won Nobel peace prize, Prime Mover SCCN, IIT Alumnus. The views expressed here do not necessarily reflect those of Media India Group.)
