Europe is on fire: For days, temperatures have skyrocketed above 100° Fahrenheit (38° Celsius), shattering records and triggering huge wildfires that have forced tens of thousands from their homes. From Portugal to Spain to Greece, the flames have spread like a contagion. In the countryside surrounding Bordeaux, France, 75 square miles have charred in the past week. Blazes are even breaking out across London, a city not exactly known for fire weather.
Wildfires are, of course, a perfectly natural phenomenon and have periodically reset ecosystems for new growth throughout history. But in modern times, due to humanity's meddling with the climate and the landscape, these fires have ballooned into unnatural beasts that instead obliterate ecosystems. Fire historian Stephen Pyne has termed this the Pyrocene, an age of flames.

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