mass extinctions

The Blue Marble Dec 7 1972 Apollo 17 NASA

Video Episode 21 | Earth’s Mass Extinctions

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Earth's mass extinctions were Ordovician, Devonian, Permian, Triassic & Cretaceous which killed the dinosaurs. Now we are on to the 6th one called the Holocene.

Photo of erupting volcano by USGS on Unsplash. Great Dying

The 250 Million Year Old Great Dying May Have Had Many Causes

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The 250 Million Year Old Great Dying May Have Had Many Causes. Volcanic eruptions in South China may have added more carbon dioxide resulting in extinction.

Earth from Apollo 11, 1969. NASA

Podcast Episode 24 | Earth’s Mass Extinctions

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In this ancient history podcast episode we talk about Earth's Mass Extinctions and how they impacted Life on Earth including killing the dinosaurs.