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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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    Examples of cross sections of Egyptian blue samples.

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    Tracing an ancient blue across the ancient world

    Penn researchers Vanessa and Alexis North are studying one of the largest collections of Egyptian blue objects ever found in the ancient Near East, shedding new light on how the world’s first synthetic pigment may have traveled far beyond Egypt.

    Aug 10, 2026

    A new role for dental providers? Rethinking where vaccines are given
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    A new role for dental providers? Rethinking where vaccines are given

    Vaccinations have traditionally been administered in primary care settings or pharmacies. However, for about a decade, some states have authorized dentists to administer vaccines, and many others did so during the COVID-19 pandemic. The effectiveness of this approach has led some countries and states to expand or consider expanding the role of dental providers in delivering routine vaccines, including those against COVID-19 and the human papillomavirus (HPV), and in providing vaccine education.

    Jul 28, 2026

    Penn student develops a way for computer chips to run more efficiently
    Nhlanhla Mavuso looking at an electronic board in the Moore Building.

    Nhlanhla Mavuso of Fluid Silicon at work in the Moore Building.

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    Penn student develops a way for computer chips to run more efficiently

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    May 5, 2026