Climate History Explained: From Ice Ages to Today

From the Oxygen Holocaust to the Little Ice Age, climate has shaped Earth and humanity for billions of years. Explore how past climate shifts reveal what’s at stake in today’s crisis.

01:46 Why were bacteria important to the development of early life?
03:10 How did a change in the climate help new complex societies develop?
03:51 How has climate shaped human societies?
04:40 How is the current change in climate different from previous cycles of warming and cooling?
05:46 How are societies innovating to address climate change?

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