# The way Earth's 'thermostat' works may have changed during Pangea era

- Source: Phys.org
- Published: 2026-10-27T23:20:06+00:00
- Category: Science
- Original: https://phys.org/news/2026-10-earth-thermostat-pangea-era.html
- Canonical: https://groundlevelnews.com/story/the-way-earth-s-thermostat-works-may-have-changed-during-pangea-era-3b939d/

Life arose on Earth at least 3.5 billion years ago, and our planet has remained habitable ever since—not too hot, not too cold. These life-sustaining conditions are possible in part thanks to a built-in, carbon cycle–based climate "thermostat" that controls the amount of carbon dioxide in the atmosphere.

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