Earth and Environmental Science

The likelihood that Earth briefly hits key warming threshold grows bigger and closer, UN forecasts

Michael Mann of the School of Arts & Sciences says that reports on climate thresholds put too much emphasis on global surface temperature, which varies with the El Niño cycle, even though it is climbing upward in the long term.

Why natural disasters seem worse than our direst predictions

Michael Mann of the School of Arts & Sciences says that some climate change impacts are playing out faster and with a greater magnitude than predicted.

2018 graduate awarded Knight-Hennessy Scholarship

Focused on tackling climate change, 2018 Penn graduate Krish Mehta, from Mumbai, has been awarded a 2023 Knight-Hennessy Scholarship for graduate studies and global leadership training at Stanford University.

Climate change is bad for everyone. But this is where it’s expected to be worst in the U.S.

Michael Mann of the School of Arts & Sciences says that mutual reliance on goods and services from other states and countries will lead to a domino effect if others are impacted by climate change.

El Niño ripple effects may extend to hurricane season

A new outlook by Michael Mann and Shannon Christiansen of the School of Arts & Sciences estimates that the 2023 Atlantic hurricane season is likely to feature between 12 and 20 named storms.

A panel sits at at table in Perry World House as a presenter on the right stands at a podium explaining his research.

Symposium highlights breadth and depth of Penn Global research

The Penn Global Research and Engagement Fund is supporting the 19 new faculty-led projects that span research, capacity-building, and development efforts across Africa, Latin America, India, China, and beyond.

This is what the world will look like in 100 years if we do nothing to stop climate change

Michael Mann of the School of Arts & Sciences says that unfettered climate change will lead to a dramatic reduction in sea life, including fish and seafood.

Hot air: Five climate myths pushed by the U.S. beef industry

Michael Mann of the School of Arts & Sciences says that environmentalists should laser-focus on transforming the energy sector before arguing about food.

Paleontologist Ali Nabavizadeh in his office with dinosaur drawings on the computer

What fossils tell us about the dining habits of dinosaurs

More than a century of research is vividly shared in ‘An Illustrated Guide to Dinosaur Feeding Biology’ by Ali Nabavizadeh of the School of Veterinary Medicine and David B. Weishampel of Johns Hopkins University.

Global ocean temperatures spike to record levels as El Niño nears

Michael Mann of the School of Arts & Sciences explains how a La Niña event giving way to an El Niño causes a sizable increase in tropical Pacific and global ocean surface temperatures.

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