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A New Study of the Ordovician Mass Extinction

The second-largest mass extinction in Earth's history coincided with a short but intense ice age during which enormous glaciers grew and sea levels dropped. Although it has long been agreed that the so-called Late Ordovician mass extinction—which occurred about 450 million years ago—was related to climate change, exactly how the climate change produced the extinction has not been known.
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Greenland Ice Sheet more vulnerable to climate change than previously thought

Academics / General Science : Science Daily (21 hours ago)

A new study finds that the Greenland Ice Sheet, which covers 1.7 million square kilometers and contains enough ice to raise sea levels worldwide by seven meters, is less stable and more sensitive to climate change than previously th... Read Post

Mass extinction linked to ancient climate change

Academics / General Science : Science Daily (4 years ago)

About 450 million years ago, Earth suffered the second-largest mass extinction in its history -- the Late Ordovician mass extinction, during which more than 75 percent of marine species died. Exactly what caused this tremendous loss... Read Post

What triggers a mass extinction? Habitat loss and tropical cooling were once to blame

Academics / General Science : Science Daily (2 years ago)

The second-largest mass extinction in Earth's history coincided with a short but intense ice age. Although it has long been agreed that the so-called Late Ordovician mass extinction was related to climate change, exactly how the cha... Read Post


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