State of the Planet

News from the Columbia Climate School

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Faint Young Sun

Image credit:  Science online, J.F. Kasting
Image: Science online, J.F. Kasting


Through an ancient looking-glass,
Perhaps you’d see more H2 gas,
And if with denser gas collided,
Greater greenhouse warmth provided.
With faint young sun, would this suffice
To maintain water and not ice?
And when methanogens arrive?
This old debate is much alive.


Further reading:

Hydrogen-Nitrogen Greenhouse Warming in Earth’s Early Atmosphere, Wordsworth and Pierrehumbert, Science, 2013

This is one in a series of poems written by Katherine Allen, a researcher in geochemistry and paleoclimate at the Lamont-Doherty Earth Observatory and the Institute of Marine and Coastal Sciences at Rutgers University

Banner featuring a collage of extreme heat images.

Recent record-breaking heat waves have affected communities across the world. The Extreme Heat Workshop will bring together researchers and practitioners to advance the state of knowledge, identify community needs, and develop a framework for evaluating risks with a focus on climate justice. Register by June 15

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