State of the Planet

News from the Columbia Climate School

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  • Maybe Ben Franklin Was Wrong

    Maybe Ben Franklin Was Wrong

    A new study says that for all of its ill effects, the Laki volcanic eruption of 1783-84 probably was not the main culprit behind one of the coldest winters in hundreds of years, as many scientists — and contemporary observer Benjamin Franklin — have speculated.

  • Punjab: A tale of prosperity and decline

    The state of Punjab, located in the northwest part of the country, is known as the breadbasket of India. Punjab produces 20% of the nation’s wheat, 11% of its rice, and 11% of its cotton, from only 1.5% of its geographical area.  Punjab is in trouble, however; groundwater is rapidly decreasing. Water levels have dropped…

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You Asked invites you to share your most pressing questions about climate, science, and sustainability. Lamont-Doherty Earth Observatory and Columbia Climate School experts will respond with clear, evidence-based answers. Pose your questions and story ideas!

  • Maybe Ben Franklin Was Wrong

    Maybe Ben Franklin Was Wrong

    A new study says that for all of its ill effects, the Laki volcanic eruption of 1783-84 probably was not the main culprit behind one of the coldest winters in hundreds of years, as many scientists — and contemporary observer Benjamin Franklin — have speculated.

  • Punjab: A tale of prosperity and decline

    The state of Punjab, located in the northwest part of the country, is known as the breadbasket of India. Punjab produces 20% of the nation’s wheat, 11% of its rice, and 11% of its cotton, from only 1.5% of its geographical area.  Punjab is in trouble, however; groundwater is rapidly decreasing. Water levels have dropped…