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  • Illinois alum Charles David Keeling: The man who tied human actions to climate change

    Apr 30, 2018 8:45 am by Institute for Sustainability, Energy and the EnvironmentCampus LifeAlumni
    Illinois alumnus Charles David Keeling receives the Medal of Science from President George W. Bush. Public domain photo by NSF

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    • Illinois alumnus Charles David Keeling receives the Medal of Science from President George W. Bush. Public domain photo by NSF

    Keeling was the first scientist to develop an accurate technique for measuring the air concentrations of carbon dioxide (CO2) — a greenhouse gas that traps atmospheric heat