Wildfires Across Europe Expose Unexploded Ordnance from World Wars

Intense wildfires across parts of Europe in late August have exposed a secondary hazard: unexploded bombs and mines left from the two world wars. Blasts have been reported in France, Belgium, Germany and the Netherlands as heat and fire reached buried munitions.

In Belgium, fires spread across former battlefields including areas around the Ypres salient. Emergency services have adjusted their methods to account for the risk of sudden detonations. Similar adaptations are under way in other affected regions.

The phenomenon is not new, but the combination of prolonged dry weather and large-scale fires has increased the frequency of incidents this season. Old ammunition can remain viable for decades when buried in soil that protects it from corrosion.

Firefighters now treat certain zones as potential explosive sites, using remote techniques and specialised units where available. The presence of these munitions also complicates post-fire recovery and the clearance of damaged land.

The episode illustrates how the physical legacy of twentieth-century conflicts continues to shape risk management in the twenty-first. Climate-driven fire seasons are making that legacy more active and more expensive to manage.