School of Arts & Sciences

Penn Doctoral Student Probes the Secrets of Ancient Carbon in Tropical Soils

Soil holds the largest terrestrial pool of carbon on the planet, with tropical soils containing the most carbon of any type. Activities that cause soil to release its hold on this carbon can thus increase levels of carbon dioxide in the atmosphere and augment the effects of climate change.

Katherine Unger Baillie



In the News


Vox.com

Spring is here very early. That’s not good

Michael Mann of the School of Arts & Sciences says that plant-flowering, tree-leafing, and egg-hatching are all markers associated with spring that are happening sooner.

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Associated Press

International Women’s Day is a celebration and call to action. Beware the flowers and candy

Kristen Ghodsee of the School of Arts & Sciences explores International Women’s Day as a tool for activism in Russian history.

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CBC Radio (Canada)

The GOP race is over. The question after Haley drops out: Will her voters move to Trump?

Marc Trussler of the School of Arts & Sciences says that Biden surrogates can’t outright ignore warning signs from polling data.

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NBC News

NBC News exit poll on Super Tuesday: Our methodology

Stephanie Perry and Elizabeth Schreier of the Penn Program on Opinion Research and Election Studies and Joelle Gross of the School of Arts & Sciences share their methodology for the NBC News Super Tuesday exit polls.

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Las Vegas Review-Journal

Our political parties have become unrecognizable

Brian Rosenwald of the School of Arts & Sciences says that the Republican lean to the right during the last few decades has distorted labels like moderate and conservative.

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