State of the Planet

News from the Columbia Climate School

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Adelie penguins

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Bird watching. Credit: Caroline Lavoie
Bird watching. Credit: Caroline Lavoie

The nice folks up on the bridge always give us a call when they see wildlife. Then we all grab our cameras and rush out to our favorite spots to try and photograph whatever creatures have come to visit.

I’m no biologist, but seeing so many beautiful animals has made me curious. So I’ve been doing a little reading and I’d like to share with you what I’ve learned about some of our favorite visitors, the Adelie penguins. This photo of the Adelies was taken a few days ago by Caroline Lavoie.

Adelies are only 30 inches tall and weigh about 11 pounds. But millions of years ago, there were penguins that stood 5 feet tall and weighed 200 pounds! They’re not alive today, and I’m having trouble imagining them.

While many of us associate penguins with Antarctica, they’re actually spread all over the Southern Hemisphere, with a few living right on the equator. There are seventeen species of penguins, but only Adelies and emperor penguins live exclusively in Antarctica.

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Collage of Turkiye beach scene and Columbia University Campus with text: UN Climate Change Conference COP31, Antalya, Turkiye, Nov 9-20, 2026

COP31, the 2026 United Nations Climate Change Conference, aims to advance dialogue, strengthen consensus, and accelerate climate action on a global scale. From November 9–20, 2026 in Antalya, Türkiye, heads of state, ministers, scientists, business leaders, and civil society will gather to advance efforts in emission targets, climate finance, and adaptation and resilience. Once again, our experts, students, and global thought leaders from Columbia Climate School and across Columbia University are contributing to key events, sharing insights, and helping shape the dialogue toward ambitious, science-based solutions. Learn More

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