Europe’s Rivers Are Drying Up—Nazi Warships Emerge as Danube Hits Record Lows

The Danube River has dropped to its lowest July flow on record, revealing the rusting remains of German warships scuttled in 1944 near the Serbian port town of Prahovo [218912]. Officials warn that unexploded ammunition may still be on board the vessels, which were part of Nazi Germany’s Black Sea fleet [218912]. The exposure has forced Romania to shut down its nuclear power plant, which relies on the river’s water to cool its reactors—an unprecedented step that highlights how dangerously low the water has fallen [218108].

The crisis extends far beyond the Danube. Germany’s Rhine River, a critical shipping route for coal, chemicals, and grain, has sunk to record lows near the town of Kaub, forcing cargo vessels to carry only a fraction of their normal load [217505][216869]. Experts warn the river could literally split in two in some areas, disrupting supply chains and costing German industry billions of euros [216714][217505]. The country’s inland waterways still move around 5% of its goods, and factories dependent on just-in-time deliveries are already facing delays and higher costs [215710].

Nuclear power plants across Europe are struggling as rivers grow too warm and too shallow for cooling. When water levels drop, reactors must reduce output or shut down entirely—often on the hottest days when electricity demand peaks [215721]. The result is a double squeeze: supply falls just as air conditioners push grids to their limit [215721].

Western Europe has just recorded its hottest June-July period on record, with the World Meteorological Organization warning that heatwaves are becoming more frequent, intense, and prolonged [217469][215726]. Soil moisture levels are already lower than in July 2022, the last severe drought year, according to the Copernicus Climate Change Service [215701]. Swiss farmers say this year’s drought is worse than the catastrophic 2003 event, with cracked soil, stunted crops, and critically low water levels in rivers and reservoirs [218609].

The economic toll is staggering. Triodos, a Dutch sustainable finance bank, warns the drought could shrink the European Union’s gross domestic product by 1% in 2026—roughly €180 billion [218568]. Harvests from potatoes in the Netherlands to corn in Bosnia are failing as irrigation limits bite [218568].

Scientists stress that climate change is not the only culprit. Poor water management—including draining wetlands, building dams, and overusing water for irrigation—has made rivers more vulnerable to dry spells [218893]. Restoring natural riverbanks, improving water storage, and cutting unnecessary consumption could ease the strain [218893]. But with no significant rainfall forecast, authorities across the continent are bracing for worse to come.