Arctic Ocean
2023-11-23 @ 17.06.38 ∈ In English
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Azolla event - Wikipedia
As [blooms of the fern] died and sank to the stagnant sea floor, they were incorporated into the [sediment]; the resulting draw-down of carbon dioxide has been speculated to have helped reverse the planet from the "greenhouse Earth" state of the Paleocene-Eocene Thermal [Maximum] to the current icehouse Earth known as the Late Cenozoic Ice Age.