Climate Change | Penn Today

‘Not a record to celebrate’: Humanity just experienced the hottest day in recorded history

Michael Mann of the School of Arts & Sciences is quoted on research that shows the planet is heading toward a future where massive heat waves and droughts occur to one-fifth of the planet on a regular basis.

The new ‘abnormal’: Experts agree climate change will intensify droughts and heatwaves in the future

A study co-authored by Michael Mann of the School of Arts & Sciences concludes that the recent series of heat waves, wildfires, and other extreme weather events are just the beginning of the disasters spawned by climate change.

‘Armageddon’ is 25 years old: Scientists agree this problematic blockbuster aged like warm milk

Michael Mann of the School of Arts & Sciences says that a scene mocking scientists in the movie “Armageddon” is vicious, ignorant, and mean-spirited.

Rose garden view with ornamental planters.

Q&A

How climate change affects roses

In a Q&A, Erin Conley of the Morris Arboretum & Gardens explains how climate change affects rose growth, as well as what’s new in the Morris’ rose garden.

Conceptual image of a city hit by extreme heatwave

Climate change’s impact on extreme weather events

Michael Mann and collaborators investigated the effects of climate change on the intensity, frequency, and duration of extreme weather events like wildfires, and found that “worst-case” scenario could lead to significant increases in all three.

Will El Niño on top of global heating create the perfect climate storm?

Michael Mann of the School of Arts & Sciences warns against “cherry picking” one set of climate change data from one region over a relatively short period of time.

Climate change keeps making wildfires and smoke worse. Scientists call it the ‘new abnormal’

Michael Mann of the School of Arts & Sciences says that continuing to warm the planet will lead to an ever-moving baseline of worse and worse disasters.

“No end in sight” to wildfire smoke suffocating American cities. And yes, climate change is to blame

Michael E. Mann of the School of Arts & Sciences says that climate change is causing big high-pressure systems with hot sinking air to get stuck in one particular region of the country.

Texas suffers under brutal, early heat wave. Experts say climate change is fueling it

Michael Mann of the School of Arts & Sciences says that the current June heat wave in northern Mexico and the south-central U.S. is unusual, with climate change leading to persistent “stuck” summer jet stream patterns.

Climate change denial hit its stride in the Bush-Cheney era, precipitating today’s climate disaster

Michael Mann of the School of Arts & Sciences explains why the Republican Party’s official stance became the rejection of environmental science during the George W. Bush years.

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