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The World, the Universe and Us

The World, the Universe and Us

Wildfires Changed Human Evolution - Is It Happening Again?

Aug 17, 2026 · 17m

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Episode 392 Ancient wildfires may have shaped the course of human evolution. A reconstruction of the environment in East Africa 1.75 million years ago suggests a particularly volatile period of climate change made our species adapt rapidly. Climate swings may have led our species to develop sophisticated tools. Ancient hominins may have also learnt to control fire thanks to frequent wildfires during this period. As wildfires become increasingly common, currently devastating parts of Europe including the UK, will humans have to adapt again? Could it even force rapid evolution in our species? Rowan Hooper and Penny Sarchet are joined by Sam Wong and Michael Le Page to discuss the finding and…