A tennis player needing an ice pack on a court and a worker forced to work in the heat become two different faces of the same big problem. But they both say the same thing: as the world warms, not only nature but all human activity will have to be redesigned. How do you understand a climate crisis? Unless you're a scientist, probably not by looking at a thermometer. Perhaps you understand it while watching your favorite tennis player. When, on a French Open Grand Slam court, you start talking about how Jannik Sinner, one of the greatest athletes of our time, will withstand the heat, rather than his serve speed or game intelligence... When you see the players taking refuge in ice towels, ice packs, shade, and a few minutes of cooling down during substitutions... When, on one of the most prestigious stages of sport, the issue ceases to be simply who plays better and becomes the question of how well the human body can withstand the new climate conditions...
At that moment, you realize this is not a meteorological report. Because temperature is no longer just a number in weather bulletins. A new reality touching bodies, calendars, the rhythm of cities, working hours, transportation systems, healthcare, tourism, and the economy. The heatwave Europe experienced this summer was therefore not simply an event to be dismissed with the phrase "temperatures above seasonal norms." Record-breaking temperatures in England in May, heat-related deaths reported in France, and the strain on schools, transportation, public spaces, and sporting events were all different scenes from the same story. For many years, we read about the climate crisis in graphs, projections, 2050 targets, and carbon scenarios. Now, however, we are experiencing it directly.
One of the biggest shifts in the climate crisis is that it has moved beyond being a scientific debate and has become ingrained in everyday life. People may find 1.5 degrees abstract. Carbon budgets, emission reductions, or net-zero targets may remain technical concepts for the general public. But everyone understands that their favorite athlete is struggling in the heat, that their child's school is disrupted due to excessive heat, that their vacation plans are altered by the risk of fire, that they have difficulty breathing while walking in the city, and that their electricity bill increases in the summer months due to the need for cooling. This is precisely why heat waves are becoming the most visible climate events of the new era. Because temperature tests not only the air, but also the systems.
How cool can a city stay? Can public transportation operate under extreme heat? Can hospitals protect vulnerable groups? Can workers safely continue production outdoors or in inadequately cooled spaces? Can tourist areas compete not only with the promise of "sunshine," but also with the promise of "livable temperatures"? Each of these questions is now part of economic policy, not just climate policy. Because as temperatures rise, not only does comfort decrease; productivity falls, healthcare costs increase, infrastructure is strained, insurance costs change, and the risk profile of climate-dependent sectors such as agriculture and tourism is rewritten.
The warning issued years ago by the International Labour Organization is therefore more concretely felt today: By 2030, more than 2% of working hours worldwide could be lost due to heat stress. This is not just a statistical loss; it represents the daily reality for field workers, construction workers, logistics personnel, city service teams, and even white-collar workers in offices without air conditioning. To view COP31 solely as a diplomatic summit, an international organization, or a prestigious hosting event would be incomplete. COP31 will take place at a juncture where the climate crisis has shifted from the question of "what should be done?" to "how and how quickly should it be done?"
Until now, the language of climate summits has largely revolved around goals, commitments, and future visions. Countries have announced emission reduction plans, declared carbon-neutral timelines, and discussed financing issues. These are still important. However, in this new phase where the climate crisis has become experiential, simply announcing goals is no longer sufficient. Because when a heatwave hits, it's not a city's 2050 goals that are tested, but its current shaded areas, water management, emergency plans, healthcare capacity, building standards, and energy infrastructure. When there's excessive rainfall, it's not a country's intentions that are tested, but its drainage system. During droughts, it's not good wishes that are tested, but agricultural policy, data infrastructure, and water efficiency. In tourism, it's not the destination's advertising campaign that is tested, but its climate resilience.
Therefore, the emphasis on "action, not just words" used for COP31 is not merely a well-chosen communication phrase, but an expression describing the necessity of our time. The world is no longer debating whether the climate crisis exists. It is debating how to live with it, how to limit it, and how to adapt to its effects. Because climate leadership will no longer be measured solely by emission reduction targets. It will be measured by the heat resilience of cities, the transformation capacity of economies, the risk management of companies, the adaptability of the tourism sector, the preparedness of health systems, and the speed of implementation of public policies. And we must all understand that the climate debate of the coming period must be less abstract and more operational.
That is why the heatwave in Europe, the players trying to cool themselves with ice at Roland Garros, the difficulties in daily life in England and France, and COP31's emphasis on "implementation" are all links in the same chain. Different symptoms of the same era. Perhaps the importance of COP31 lies precisely here. The time has come to put what has been discussed into action. Because the climate crisis is no longer a distant future scenario, but our biggest crisis that truly requires implementation.
