extinction2
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Some Do Not Like It Hot
The Great Dying, The Big One — The Permo-Triassic! (In a time machine, not sure if that’s where I’d aim …) As extinctions go, this one’s a blockbuster classic, When most of Earth’s species dropped out of the game.
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Extinction Exposed – The Giant Panda
Captive breeding and species protection are helping the panda recover, but fewer than two thousand still remain.
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Extinction Exposed – The Sea Otter
Despite being a keystone species in important ecosystems that span the northern and eastern North Pacific Ocean, sea otters have historically had a complex and sometimes troubling relationship with humans.

Congratulations to our Columbia Climate School Class of 2026 and all of our 2026 Columbia University graduates! Learn more about our May 15 Climate School Class Day celebration. 💙 #Columbia2026 #ColumbiaClimate2026
