Belgium’s High Fens Wildfire Signals Europe’s Shifting Climate Frontier

Belgium is not normally associated with the kind of extreme wildfire risk that has long defined southern Europe. Yet as temperatures reached 37°C, severe drought dried the landscape and shifting winds repeatedly pushed flames toward Germany. In response, around 500 responders from Belgium, Germany, and Luxembourg - supported by soldiers, farmers, and EU emergency aircraft - were mobilized, while some 600 residents were evacuated from Waimes and Bütgenbach.

The fire was eventually prevented from advancing into Germany. It was not, however, extinguished.

That distinction matters because the High Fens is not simply a forest burning at the surface. Fire has penetrated deep into its peat bogs, creating a problem that conventional firefighting can contain but cannot quickly eliminate.

The north is no longer outside the fire zone

The High Fens disaster is best understood not as an unusually bad Belgian summer, but as evidence that Europe’s old map of wildfire risk is becoming obsolete.

By mid-August, fires had already burned about 576,000 hectares across Europe - roughly 2.5 times the historical seasonal average. Greece, Spain, France, Portugal and Croatia were all dealing with major outbreaks, with deaths, mass evacuations and international assistance accompanying the destruction.

But the significance of Belgium lies elsewhere.

The Mediterranean has long been treated as Europe’s primary wildfire frontier. Northern and western countries could concentrate their fire policies on more limited risks, while relying on relatively benign climatic conditions to provide a margin of safety. That assumption is becoming harder to defend.

Belgium’s previous High Fens record, set in 2011, covered about 1,400 hectares. The latest fire more than doubled that figure in less than three days.

A country can retain its historical institutions while the physical conditions those institutions were designed around change underneath them. That is the problem now facing northern Europe.

The combination is particularly dangerous: extreme heat dries vegetation, prolonged drought removes moisture from soils and wetlands, and accumulated biomass provides fuel. Decades of rural depopulation and agricultural consolidation have left parts of the European landscape increasingly unmanaged, allowing brush and other combustible material to accumulate.

Climate change does not need to create every fire to transform the fire regime. It can make landscapes far more receptive to ignition and far harder to defend once burning begins.

Peat turns a wildfire into a longer crisis

The High Fens also exposes a second weakness in conventional emergency planning.

A surface fire can appear to be under control when the most dangerous part of the problem is already underground.

Peat consists of thick layers of carbon-rich organic material accumulated over centuries. When it becomes sufficiently dry and ignites, it can burn through slow, flameless smouldering combustion beneath the surface. Rain can reduce visible flames without necessarily ending the combustion below.

That changes the timetable of disaster response.

The High Fens fire may take months to extinguish fully, even after weather conditions improve and the visible fire front is contained. The environmental consequences therefore extend far beyond the days when emergency crews are deployed.

The destruction of peatlands is particularly consequential because these ecosystems store carbon over very long periods. Once those organic layers burn, the ecological damage cannot simply be reversed by restoring the surface vegetation.

This is where wildfire policy intersects with environmental policy. A landscape that was previously valued primarily as a protected ecosystem can also become a strategic component of climate resilience. Keeping peat wet, managing surrounding vegetation and maintaining access for emergency crews are no longer separate environmental and civil-protection questions.

They are part of the same risk-management problem.

Europe’s emergency system is becoming a permanent instrument

Belgium’s response also illustrates how quickly a national emergency can become a European one.

The EU Civil Protection Mechanism was activated, bringing in shared resources including water-bombing aircraft and helicopters. Germany and Luxembourg contributed firefighters, while Belgium combined professional responders with military units and local farmers using tractors to create firebreaks.

The episode near Ruitzhof, a German village only about 1.5 kilometres from the fire front, is a useful illustration of what the new geography of European disasters looks like in practice. The threat did not respect the border, and neither could the response.

This is precisely the logic behind rescEU: emergency assets can be pooled and deployed where national capacity is under pressure.

But the Belgian experience raises a more difficult question. If extreme fires increasingly occur simultaneously across Europe, shared capacity becomes more valuable precisely when it is most likely to be stretched.

Spain was already receiving international support while dealing with fires that had burned tens of thousands of hectares. France, Greece, Portugal and Croatia were also confronting major outbreaks. A system designed to provide additional capacity to countries facing exceptional emergencies may increasingly be required to support several countries at once.

That is a different model of civil protection.

It requires not merely more aircraft and helicopters, but decisions about how those assets are financed, positioned, maintained and allocated when multiple emergencies compete for them.

The politics of who gets protected

The pressure is not confined to operational command rooms.

Across Europe, wildfire response is becoming a political question about the distribution of state protection. France has already provided a visible example: residents in Le Porge booed Prime Minister Sébastien Lecornu during his August 17 visit amid complaints over the response and the distribution of emergency assistance.

The details of individual disputes vary, but the underlying political problem is broader. As extreme events become more frequent, governments are being asked to protect larger areas with infrastructure and institutions that were not built for the same level of disruption.

Local and regional authorities carry much of the immediate burden. They must evacuate populations, protect infrastructure, coordinate firefighters and manage the aftermath, while often lacking the specialised resources required for extreme wildfire conditions.

The High Fens shows how quickly that imbalance can become a cross-border problem.

A fire threatening a protected nature reserve, a populated area and an international frontier cannot be treated simply as a municipal emergency.

The harder task begins after the flames

The most consequential lesson from Belgium may therefore concern what happens between fire seasons.

European governments have traditionally treated wildfire largely as an emergency-management issue: detect the fire, mobilise crews, bring in aircraft, evacuate residents and restore damaged areas.

That model becomes less adequate when the underlying landscape itself has changed.

If rural abandonment leaves combustible material accumulating across forests and heathland, prevention requires active territorial management. If drought repeatedly dries peatlands, protecting those ecosystems becomes part of fire prevention. If borders are irrelevant to the movement of flames, civil-protection planning must be designed around regional rather than purely national risk.

Northern Europe consequently faces a less familiar policy choice. It can continue expanding emergency capacity after disasters occur, or it can redesign the landscapes and institutions that determine how severe those disasters become.

The Belgian response showed that Europe can assemble a multinational force rapidly when the danger is immediate. Firefighters, soldiers, farmers, aircraft and neighbouring countries were brought into a single emergency effort.