State of the Planet

News from the Columbia Climate School

Water55

  • Parched for Peace: A Miniseries on the Mideast Water Crisis

    Parched for Peace: A Miniseries on the Mideast Water Crisis

    For a vast majority of the past fifty years, oil and its abundance defined the Middle East. In coming years, however, that part of the world may well be defined by the dearth of a different natural resource: water.

  • Is Groundwater Depletion Causing Sea-level Rise?

    Is Groundwater Depletion Causing Sea-level Rise?

    A recent study from Yoshihide Wada and other researchers from Utrecht University attempted to assess the status of global groundwater depletion—that is, the amount of water that is being drawn out from underground reservoirs that is not being replaced by precipitation—and came up with some startling conclusions. Chief among them that depletion of groundwater may…

  • Drugs in Our Drinking Water: An Update

    Drugs in Our Drinking Water: An Update

    The 2008 Associated Press report that drugs had been found in the drinking water supplies of 41 million Americans was alarming. What is the state of pharmaceuticals in our water today?

  • Risky Business 2: Municipal Bonds?

    Risky Business 2: Municipal Bonds?

    According to a recently released report, municipal bonds, which finance a large portion of the nation’s water utilities and infrastructure, may not carry ratings that reflect the growing pool of risk surrounding the nation’s water supply.

  • Columbia Engineers an Impact on Water Sustainability

    Columbia Engineers an Impact on Water Sustainability

    The most recent issue of the Columbia Engineering Magazine profiles many of the Columbia University Engineering faculty who are addressing the issues of sustainability in the water, climate and energy fields. Several of Columbia Water Center’s researchers and collaborators were featured. Here are some teasers that demonstrate the depth and breadth of the talent at…

  • Can We Have Our Water and Drink It, Too? Exploring the Water Quality-Quantity Nexus

    Can We Have Our Water and Drink It, Too? Exploring the Water Quality-Quantity Nexus

    Water quantity and quality have generally been considered as separate problems and have usually been treated as such in policy-making and environmental restoration efforts. Increasingly, however, research and experience is beginning to show a strong link between water quantity and quality.

  • A Year of Progress Toward a Sustainable Earth

    A Year of Progress Toward a Sustainable Earth

    The Earth Institute’s annual donor report is now available in an interactive digital format. We remain committed to finding extraordinary solutions to unprecedented world challenges, and this report highlights some of our innovative projects in research, policy and education, and the partnerships that are helping to support them.

  • ‘Troubled Waters’ Wreaking Havoc, from Minnesota to Mexico

    ‘Troubled Waters’ Wreaking Havoc, from Minnesota to Mexico

    On October 5th, ‘Troubled Waters’, a documentary produced by the University of Minnesota’s Bell Museum, was screened for the first time on the U’s main campus in St. Paul.

  • How Hamburgers Pollute Our Water

    How Hamburgers Pollute Our Water

    Most Americans have no idea where the hamburgers and fried chicken we love come from, or what their environmental impacts are. But the way most meat in the U.S. is produced today has serious repercussions for our soil, air, and especially water.

Photo of the Earth from space with the text "Lamont at AGU25" on top.

AGU25, the premier Earth and space science conference, takes place December 15-19, 2025 in New Orleans, Louisiana. This year’s theme—Where Science Connects Us—puts in focus how science depends on connection, from the lab to the field to the ballot box. Once again, Lamont-Doherty Earth Observatory and Columbia Climate School scientists, experts, students, and educators are playing an active role, sharing our research and helping shape the future of our planet. #AGU25 Learn More

  • Parched for Peace: A Miniseries on the Mideast Water Crisis

    Parched for Peace: A Miniseries on the Mideast Water Crisis

    For a vast majority of the past fifty years, oil and its abundance defined the Middle East. In coming years, however, that part of the world may well be defined by the dearth of a different natural resource: water.

  • Is Groundwater Depletion Causing Sea-level Rise?

    Is Groundwater Depletion Causing Sea-level Rise?

    A recent study from Yoshihide Wada and other researchers from Utrecht University attempted to assess the status of global groundwater depletion—that is, the amount of water that is being drawn out from underground reservoirs that is not being replaced by precipitation—and came up with some startling conclusions. Chief among them that depletion of groundwater may…

  • Drugs in Our Drinking Water: An Update

    Drugs in Our Drinking Water: An Update

    The 2008 Associated Press report that drugs had been found in the drinking water supplies of 41 million Americans was alarming. What is the state of pharmaceuticals in our water today?

  • Risky Business 2: Municipal Bonds?

    Risky Business 2: Municipal Bonds?

    According to a recently released report, municipal bonds, which finance a large portion of the nation’s water utilities and infrastructure, may not carry ratings that reflect the growing pool of risk surrounding the nation’s water supply.

  • Columbia Engineers an Impact on Water Sustainability

    Columbia Engineers an Impact on Water Sustainability

    The most recent issue of the Columbia Engineering Magazine profiles many of the Columbia University Engineering faculty who are addressing the issues of sustainability in the water, climate and energy fields. Several of Columbia Water Center’s researchers and collaborators were featured. Here are some teasers that demonstrate the depth and breadth of the talent at…

  • Can We Have Our Water and Drink It, Too? Exploring the Water Quality-Quantity Nexus

    Can We Have Our Water and Drink It, Too? Exploring the Water Quality-Quantity Nexus

    Water quantity and quality have generally been considered as separate problems and have usually been treated as such in policy-making and environmental restoration efforts. Increasingly, however, research and experience is beginning to show a strong link between water quantity and quality.

  • A Year of Progress Toward a Sustainable Earth

    A Year of Progress Toward a Sustainable Earth

    The Earth Institute’s annual donor report is now available in an interactive digital format. We remain committed to finding extraordinary solutions to unprecedented world challenges, and this report highlights some of our innovative projects in research, policy and education, and the partnerships that are helping to support them.

  • ‘Troubled Waters’ Wreaking Havoc, from Minnesota to Mexico

    ‘Troubled Waters’ Wreaking Havoc, from Minnesota to Mexico

    On October 5th, ‘Troubled Waters’, a documentary produced by the University of Minnesota’s Bell Museum, was screened for the first time on the U’s main campus in St. Paul.

  • How Hamburgers Pollute Our Water

    How Hamburgers Pollute Our Water

    Most Americans have no idea where the hamburgers and fried chicken we love come from, or what their environmental impacts are. But the way most meat in the U.S. is produced today has serious repercussions for our soil, air, and especially water.