State of the Planet

News from the Columbia Climate School

Water47

  • Earth, Water and Sky –A Conversation with Pierre Gentine, a new Columbia Water Center Scientist

    Earth, Water and Sky –A Conversation with Pierre Gentine, a new Columbia Water Center Scientist

    Columbia Water Center welcomes Pierre Gentine, Assistant Professor of Applied Mathematics at Columbia University’s School of Engineering and Applied Science, as an affiliate researcher. Pierre’s groundbreaking research on the way soil moisture interacts with the atmosphere has implications for many of CWCs initiatives—from developing more efficient irrigation systems, to water resource management, to understanding floods.…

  • Clean Water vs. Cheap Energy: Can We Have Both?

    Clean Water vs. Cheap Energy: Can We Have Both?

    The social fabric of a water quality debate: Anti-fracking protesters converge on Albany… again. A battle of wills between advocates of clean water and cheap energy ensues.

  • How China Is Dealing With Its Water Crisis

    How China Is Dealing With Its Water Crisis

    Recently I traveled to Southeast Yunnan in China to see the spectacular Yuan Yang rice terraces, flooded and ready for spring planting. Rice is a very water-hungry crop and China is the world’s largest producer of rice and grain. Yet China is facing a perilous water crisis.

  • Reusing Dirty Water

    Reusing Dirty Water

    Columbia Water Center guest lecturer Raymond Farinato talks about increasing water supply by reusing wastewater in industrial applications.

  • Here Comes the Flood: The Army Corps Prepares to Blow the Levees to Save Cairo, Illinois

    Here Comes the Flood: The Army Corps Prepares to Blow the Levees to Save Cairo, Illinois

    The US Army corps of Engineers is preparing to blow up levees on the Ohio River near Bird’s Point Missouri in order to save the town of Cairo, Illinois.

  • British Royals’ Green Wedding

    British Royals’ Green Wedding

    The Royal wedding used up a lot of resources, but Will and Kate did their best to keep it green.

  • Professor Jeffrey Sachs Extends Term as Director of the Earth Institute

    Professor Jeffrey Sachs Extends Term as Director of the Earth Institute

    The Earth Institute, Columbia University announced that Professor Jeffrey Sachs has agreed to extend his term as its director. Since his tenure began in 2002, Sachs has led the Earth Institute to become a leading scientific authority on sustainable development while simultaneously expanding its reach worldwide. Through his guidance, the Earth Institute and its scientists…

  • Portland Opposes a Federal Rule due to a “Unique Water Source”

    Portland Opposes a Federal Rule due to a “Unique Water Source”

    In Portland, Oregon Federal Water Treatment Rule LT2 faces opposition due to high water costs and what its City Commissioner describes as its “unique water source”.

  • Paulie, Jimmy and Vinny on NYC’s Water Future

    Paulie, Jimmy and Vinny on NYC’s Water Future

    New York City’s trio of water and sewer czars, explain the reasons behind rising rates.

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

  • Earth, Water and Sky –A Conversation with Pierre Gentine, a new Columbia Water Center Scientist

    Earth, Water and Sky –A Conversation with Pierre Gentine, a new Columbia Water Center Scientist

    Columbia Water Center welcomes Pierre Gentine, Assistant Professor of Applied Mathematics at Columbia University’s School of Engineering and Applied Science, as an affiliate researcher. Pierre’s groundbreaking research on the way soil moisture interacts with the atmosphere has implications for many of CWCs initiatives—from developing more efficient irrigation systems, to water resource management, to understanding floods.…

  • Clean Water vs. Cheap Energy: Can We Have Both?

    Clean Water vs. Cheap Energy: Can We Have Both?

    The social fabric of a water quality debate: Anti-fracking protesters converge on Albany… again. A battle of wills between advocates of clean water and cheap energy ensues.

  • How China Is Dealing With Its Water Crisis

    How China Is Dealing With Its Water Crisis

    Recently I traveled to Southeast Yunnan in China to see the spectacular Yuan Yang rice terraces, flooded and ready for spring planting. Rice is a very water-hungry crop and China is the world’s largest producer of rice and grain. Yet China is facing a perilous water crisis.

  • Reusing Dirty Water

    Reusing Dirty Water

    Columbia Water Center guest lecturer Raymond Farinato talks about increasing water supply by reusing wastewater in industrial applications.

  • Here Comes the Flood: The Army Corps Prepares to Blow the Levees to Save Cairo, Illinois

    Here Comes the Flood: The Army Corps Prepares to Blow the Levees to Save Cairo, Illinois

    The US Army corps of Engineers is preparing to blow up levees on the Ohio River near Bird’s Point Missouri in order to save the town of Cairo, Illinois.

  • British Royals’ Green Wedding

    British Royals’ Green Wedding

    The Royal wedding used up a lot of resources, but Will and Kate did their best to keep it green.

  • Professor Jeffrey Sachs Extends Term as Director of the Earth Institute

    Professor Jeffrey Sachs Extends Term as Director of the Earth Institute

    The Earth Institute, Columbia University announced that Professor Jeffrey Sachs has agreed to extend his term as its director. Since his tenure began in 2002, Sachs has led the Earth Institute to become a leading scientific authority on sustainable development while simultaneously expanding its reach worldwide. Through his guidance, the Earth Institute and its scientists…

  • Portland Opposes a Federal Rule due to a “Unique Water Source”

    Portland Opposes a Federal Rule due to a “Unique Water Source”

    In Portland, Oregon Federal Water Treatment Rule LT2 faces opposition due to high water costs and what its City Commissioner describes as its “unique water source”.

  • Paulie, Jimmy and Vinny on NYC’s Water Future

    Paulie, Jimmy and Vinny on NYC’s Water Future

    New York City’s trio of water and sewer czars, explain the reasons behind rising rates.