Paleo-Botanists have known this for decades. They have even identified the major cause of multiple ice ages in earth's history. Azolla Ferns.
Can the Fern That Cooled the Planet Do It Again? (scientificamerican.com)
Azolla (en.wikipedia.org)
Massive amounts of old world Azolla ferns trapped so much carbon that it cooled the earth's surface temperature enough to cause glaciers to form globally, and sea levels to lower over 200 feet across the globe.
Paleo-Botanists have known this for decades. They have even identified the major cause of multiple ice ages in earth's history. Azolla Ferns.
- [Can the Fern That Cooled the Planet Do It Again?](https://www.scientificamerican.com/article/can-the-fern-that-cooled-the-planet-do-it-again/)
- [Azolla](https://en.wikipedia.org/wiki/Azolla)
Massive amounts of old world Azolla ferns trapped so much carbon that it cooled the earth's surface temperature enough to cause glaciers to form globally, and sea levels to lower over 200 feet across the globe.
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