News from the Columbia Climate School

Tag: nutrient cycling

  • Has the Green Revolution Really Succeeded?

    Has the Green Revolution Really Succeeded?

    Over the past 50 years, human population has more than doubled, but cereal-crop production has grown even faster. Unfortunately, newer high-yield crops are less nutritious.

  • Study Reveals Microbes’ Hidden Role in Fertilizing Oceans

    Study Reveals Microbes’ Hidden Role in Fertilizing Oceans

    Surprisingly little has been known about how phosphorous, an essential nutrient, cycles through the oceans. A new study has broken through some of this mystery, by showing the hidden role that the oceans’ tiniest creatures play.

  • How Green is Local Food?

    How Green is Local Food?

    Local food proponents often claim that food grown close to home helps prevent global warming because it requires less fossil fuels to transport, generating fewer greenhouse gas emissions than conventionally produced food. But just how green is local food?

Science for the Planet: In these short video explainers, discover how scientists and scholars across the Columbia Climate School are working to understand the effects of climate change and help solve the crisis.
  • Has the Green Revolution Really Succeeded?

    Has the Green Revolution Really Succeeded?

    Over the past 50 years, human population has more than doubled, but cereal-crop production has grown even faster. Unfortunately, newer high-yield crops are less nutritious.

  • Study Reveals Microbes’ Hidden Role in Fertilizing Oceans

    Study Reveals Microbes’ Hidden Role in Fertilizing Oceans

    Surprisingly little has been known about how phosphorous, an essential nutrient, cycles through the oceans. A new study has broken through some of this mystery, by showing the hidden role that the oceans’ tiniest creatures play.

  • How Green is Local Food?

    How Green is Local Food?

    Local food proponents often claim that food grown close to home helps prevent global warming because it requires less fossil fuels to transport, generating fewer greenhouse gas emissions than conventionally produced food. But just how green is local food?