Climate Change

UN reports worrying rates of warming as COP28 tries to tackle climate crisis

Michael Mann of the School of Arts & Sciences warns that the steady warming rate of the planet’s surface and oceans is fueling increasingly dangerous extreme weather events and coastal flooding.

An oil executive is leading the UN climate summit. It’s going as well as you’d expect

Michael Mann of the School of Arts & Sciences says that Ahmed al-Jaber’s comments about fossil fuels betray an ignorance of climate science and a dismissiveness about the need for rapid decarbonization.

An outline of the globe nested in a lush forest of green trees.

Penn gathers at COP28 to share ideas and research in university pavilion

A delegation of University researchers will be providing expertise on a wide array of issues to be discussed at COP28, the annual climate conference of the United Nations.

Q&A

Climate, public health crises, and fertility

Letícia Marteleto, a social demographer new to Penn, does research at the intersection of fertility, Zika, COVID-19, climate conditions, urbanicity, and inequality.

Most dinosaurs were killed by climate change, not a meteorite, new study suggests

In his recent book “Our Fragile Moment,” Michael Mann of the School of Arts & Sciences details how the history of life on Earth is inextricably tied to the alterations that occur in its climate.

Climate conspiracy theories flourish ahead of COP28

Michael Mann of the School of Arts & Sciences says that the rise of climate disinformation was organized and orchestrated by opponents of reforms.

Princeton and Penn scientists win Philly award for their climate change work

Michael Mann of the School of Arts & Sciences has won the 2023 John Scott Award for his work to address climate change.

Global warming update: Earth briefly surpasses key climate threshold for first time

Michael Mann of the School of Arts & Sciences says that global temperatures should be measured in much longer increments than individual days, weeks, or even a year.

Thanks to climate change, autumn will never be the same

Michael Mann of the School of Arts & Sciences says later frosts will mean that mosquitos and disease-carrying pests like ticks will persist further into autumn.

Should you stop flying to fight climate change?

Michael Mann of the School of Arts & Sciences says that decisions by individual climate scientists of whether or not to fly won’t change the system of air travel.

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