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Justine Calma

Justine Calma

Senior Science Reporter

Senior Science Reporter

    More From Justine Calma

    Justine Calma
    Justine Calma
    How much water and energy does it take to write an email using ChatGPT?

    About as much water as a single-use bottle holds, the The Washington Post reports. The electricity it takes is about as much as 14 LED light bulbs might burn through in an hour.

    These are rough estimates, but they come with helpful illustrations to show the environmental costs of operating data centers for new AI tools.

    Justine Calma
    Justine Calma
    Surprise, ‘renewable natural gas’ isn’t living up to expectations.

    An Oregon gas company said it could clean up its act by turning to “renewable natural gas” made from organic waste. Years later, it’s selling customers just as much fossil fuel gas as it did before, according to a ProPublica investigation.