By Mark Keenan
June 9, 2026
The World Health Organization has found a new mission.
After the COVID years, when much of the public began questioning the wisdom and authority of global health bureaucracies, the WHO has increasingly shifted its attention toward climate change. The latest claim is that climate change should be treated as a public health emergency across Europe.
The language is dramatic. We are told that climate change poses an existential threat to human health. We hear of catastrophic dangers, escalating emergencies, and growing mortality. The clear objective is to create a sense of urgency that justifies greater political intervention and international coordination.
Yet when we step back and examine the evidence, a very different picture emerges.
In the early twentieth century, hundreds of thousands of people died each year from floods, droughts, storms, and other natural disasters.
The most important graph in the entire climate debate is one rarely shown by governments, environmental activists, or the media. Data from the EM-DAT international disaster database show that deaths from extreme weather have collapsed over the last century. Although the global population has grown from roughly two billion to more than eight billion people, annual weather-related deaths have fallen by well over 95 percent. On a per-capita basis, the decline exceeds 99 percent.
This extraordinary achievement did not occur because hurricanes disappeared or because droughts ceased to exist. It occurred because human societies became wealthier and more resilient. Better infrastructure, improved agriculture, irrigation systems, weather forecasting, air conditioning, emergency response systems, and modern technology dramatically reduced vulnerability.
In other words, adaptation works.
Yet this obvious success story is largely absent from WHO climate messaging. Instead, the focus has shifted almost entirely toward heat-related mortality.
The WHO cites studies suggesting that rising temperatures are causing increasing numbers of deaths across Europe. At first glance, such claims appear persuasive. Many of the papers are published in prestigious journals and carry the names of dozens of academic contributors.
But a closer examination reveals a serious problem.
As Danish economist Bjørn Lomborg has repeatedly pointed out, many of these analyses fail to properly account for Europe's rapidly aging population. Older people are naturally more vulnerable to heat stress. If the proportion of elderly people rises, heat-related mortality can increase even if temperature patterns remain largely unchanged.
This is not a minor statistical oversight. It fundamentally changes the interpretation of the data.
If a population grows older, one would expect more heat-related deaths even without any climate influence at all.
What is even more remarkable is what is often omitted from these discussions.
Far more people die from cold than from heat.
A major study published in The Lancet Planetary Health estimated that approximately 5.1 million deaths worldwide each year are associated with non-optimal temperatures, accounting for about 9.4 percent of global mortality. Importantly, the study found that cold-related deaths outnumbered heat-related deaths by roughly nine to one.
Yet the overwhelming majority are linked to cold exposure rather than heat.
The ratio varies by region, but globally cold-related mortality exceeds heat-related mortality by a wide margin.
This fact rarely appears in climate headlines.
The reason is obvious. It complicates a simple political narrative.
If warming reduces cold-related mortality while increasing heat-related mortality, then the question becomes far more nuanced than activists would like to admit. The issue is no longer a straightforward tale of climate catastrophe. It becomes a question of balancing costs and benefits, adaptation, technological progress, and human resilience.
That discussion does not generate the same sense of panic.
Nor does it support demands for sweeping political control.
The growing tendency to frame climate change as a health emergency is therefore worth examining more carefully.
Public health has become one of the most powerful political tools available to governments and international organizations. During a health emergency, extraordinary measures can be justified that would otherwise be politically unacceptable.
Once climate change is redefined as a health crisis, the scope for intervention expands dramatically. Energy policy, transportation, agriculture, urban planning, housing, and even personal lifestyle choices can all be brought under the umbrella of public health management.
This transformation is already underway.
The WHO's "One Health" framework explicitly links human health, animal health, ecosystems, and climate into a single integrated system. In theory, this sounds reasonable. In practice, it creates a rationale for extending the authority of international institutions into virtually every aspect of social and economic life.
The climate issue ceases to be merely an environmental question. It becomes a justification for centralized governance.
Whether one agrees with that objective or not, it should at least be openly acknowledged.
Instead, the public is presented with selective statistics, worst-case scenarios, and emotionally charged language designed to manufacture consent.
A century ago, humanity was genuinely vulnerable to nature. Droughts could devastate entire populations. Floods could destroy cities. Weather events routinely caused mass casualties.
Today, thanks to prosperity, technology, and economic development, humanity is safer from climate-related threats.
That is not a reason for complacency. It is a reason for perspective.
The real lesson of the past century is not that we are helpless victims of climate forces. It is that human ingenuity remains the most powerful tool ever developed for overcoming them.
Unfortunately, that lesson receives little attention from organizations whose influence depends upon convincing us that the emergency never ends.
Endnote: Data on weather-related mortality are derived from the EM-DAT International Disaster Database and summarized by Bjørn Lomborg and Our World in Data.
Sources:
- EM-DAT International Disaster Database
- Our World in Data, "Deaths from Natural Disasters"
- Bjørn Lomborg, False Alarm (Basic Books, 2020)
- Zhao, Q., Guo, Y., Ye, T., et al. (2021), Global, Regional, and National Burden of Mortality Associated with Non-Optimal Ambient Temperatures from 2000 to 2019, The Lancet Planetary Health, 5(7), e415-e425.