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The Supreme Court restricts the EPA’s power to curb climate change

Shelley Welton, a new faculty member with Penn Carey Law and the Kleinman Center for Energy Policy, calls the decision ‘devastating,’ even if expected. She explains the ruling and its implications for action on climate change.
Smoke from a power plant clouds out the sun's light
With the decision in West Virginia v. the U.S. Environmental Protection Agency, the Supreme Court ruled to limit the EPA’s capacity to regulate power plant emissions under the Clean Air Act. The move hamstrings efforts by the federal government to regulate a major contributor to climate change.

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  • An inside look at the history of television
    Handwritten notes and paper relics from TV shows in the past.

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    An inside look at the history of television

    Materials in the Annenberg School for Communication Library Archives include thousands of TV scripts, the first issue of TV Guide, and interviews about the early days of HBO—which help to chronicle TV’s 100-year story.

    Jan 28, 2026

    Why are icy surfaces slippery?
    An icy bench in a city.

    Despite the commonality of water and ice, says Penn physicist Robert Carpick, their physical properties are remarkably unique.

    (Image: mustafahacalaki via Getty Images)

    Why are icy surfaces slippery?

    Winter Storm Fern brought icy and snowy conditions to the Northeast and other parts of the country over the weekend. Penn Today asks physicist Robert Carpick about the unique properties of ice, the science of curling, and how close we are to ‘nonslip’ ice. 

    Jan 23, 2026

    Penn receives national distinction for community engagement
    High school students in a science class.

    Organizations like Penn’s Netter Center for Community Partnerships foster collaborations between Penn and public schools in the West Philadelphia community.

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    Penn receives national distinction for community engagement

    The recognition by the American Council on Education and Carnegie Foundation for the Advancement of Teaching acknowledges Penn’s long-standing commitment to community-engaged scholarship and partnerships in West Philadelphia and beyond.

    Jan 29, 2026