Science

371 | Kyle Harper on How Humans Have Shaped Life on Earth

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Based on the episode description, not a full transcript. Source evidence retrieved 19/10/2026, 11:37:26 UTC.

Briefings

Historian Kyle Harper argues humanity's impact on Earth's biosphere is disproportionate and has existed since early human history, as detailed in his book The Last Animal. Harper traces extinction events and subtle environmental changes from the Ice Age to the Sixth Extinction. He holds a Ph.D. from Harvard and serves as a Professor at the University of Oklahoma and the Santa Fe Institute.

Key points

• Kyle Harper is a historian who authored the book The Last Animal, which traces human impact on Earth from the Ice Age to the Sixth Extinction.
• Harper received a Ph.D. in history from Harvard University and currently serves as a Professor of Classics and Letters at the University of Oklahoma.

Context

This podcast episode features Kyle Harper discussing his new book on human impact. The source provides his academic credentials and institutional affiliations but does not supply additional background on the book's specific content or the scope of the Sixth Extinction.

Limitations

Evidence is limited to the podcast transcript and book title; specific details about the book's arguments, data sources, or the exact timeline of the Sixth Extinction are not provided.

Generated by Bittrees-hosted qwen35-2b sha256:aaf42c8b7c3c on 19/10/2026, 11:38:31 UTC. Based on publisher-provided feed evidence; may not cover the full original article. Check the source for details.

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