A New Ice Age Was Beginning. Then Humans Started Burning Fossil Fuels

60-Word AI Digest
Ancient plants reveal that the vestiges of the North American ice sheet started expanding a few thousand years ago, but that climate change caused it to reverse course.
Key Takeaways
- A New Ice Age Was Beginning. Then Humans Started Burning Fossil Fuels
- Ancient plants reveal that the vestiges of the North American ice sheet started expanding a few thousand years ago, but that climate change caused it to reverse course.
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Ancient plants reveal that the vestiges of the North American ice sheet started expanding a few thousand years ago, but that climate change caused it to reverse course.
Original Publisher Attribution
This summary was curated from Wired.