Greek firefighters are battling a massive wildfire that destroyed more than 100 homes [1] northwest of Athens on Sunday.

These simultaneous crises in Greece and Hungary highlight the immediate threat extreme heat and drought pose to critical infrastructure and residential safety across Europe.

The blaze northwest of Athens forced evacuations on the island of Kefalonia as emergency crews struggled to contain the perimeter. The effort resulted in a mid-air accident where two firefighting helicopters collided [2] while attempting to combat the flames.

Meanwhile, Hungary has shut down the Paks nuclear power plant, the country's sole nuclear facility [3]. This represents the first time the plant has been shut down in more than 40 years [3]. Operators said they took the measure because a severe drought caused water levels in the Danube River to drop too low to ensure safe cooling of the reactors [3], [5].

Extreme heat waves across the continent have fueled these conditions, creating a volatile environment for both forestry and energy production. The drought in Hungary has rendered the river's flow insufficient for the plant's thermal requirements, necessitating the emergency halt of operations to prevent a safety breach.

In Greece, the combination of low humidity and high temperatures allowed the fire to spread rapidly toward populated areas. Firefighters continue to work to prevent further residential loss as the region remains under extreme heat warnings.

“A huge wildfire destroyed over 100 homes northwest of Athens.”

The simultaneous failure of water-cooling systems in Hungary and the escalation of uncontrollable blazes in Greece demonstrate a growing vulnerability in European infrastructure. As drought levels reach historic lows, the reliance on river systems for nuclear safety and the increasing frequency of extreme heat events are creating a compounding risk profile for the region's energy security and public safety.