State of the Planet

News from the Columbia Climate School

economics20

  • What is the Benefit of Privatizing Water?

    What is the Benefit of Privatizing Water?

    A recent Wall Street Journal article reports on what seems to be an accelerating trend: cities privatizing their water supplies. According to the article, the Indianapolis city-county council voted last month to sell its water and sewer utilities to a charitable trust; San Jose and Pittsburgh are considering selling their water systems as well, while…

  • The Policy Buffet (Part 5): How the Oil Spill Killed the Climate Bill — and Why the Economy Didn’t Help, Either

    The Policy Buffet (Part 5): How the Oil Spill Killed the Climate Bill — and Why the Economy Didn’t Help, Either

    The climate bill has come and gone. Just two months ago, it seemed as though the bill stood a fighting chance, given the buffet of options available to policymakers.

  • Jeffrey Sachs, Gavin Schmidt on Economy and Wild Summer Weather

    Jeffrey Sachs, Gavin Schmidt on Economy and Wild Summer Weather

    Jeffrey Sachs’ discusses what it will take to kick start the US economy and the possible links between climate change and this summer’s weather on CNN’s “GPS with Fareed Zakaria”.

  • Safe Water or Abundant Energy? Take Your Pick

    Safe Water or Abundant Energy? Take Your Pick

    In the recent documentary Gasland, Josh Fox investigate the rapidly growing practice of hydraulic fracturing or “hydrofracking” that natural gas companies have developed to produce gas from underground shale deposits.

  • Sime Darby Supports Sustainable Agriculture and China 2049

    Sime Darby Supports Sustainable Agriculture and China 2049

    The Sime Darby Group, a Malaysian-based multinational company with core businesses in plantation, property, motors, industrial, energy and utilities, has committed $500,000 in support of the Earth Institute’s Tropical Agriculture and China 2049 programs, making the company the newest Earth Institute Corporate Circle Strategic Partner. The Earth Institute also serves on Sime Darby’s International Advisory…

  • The Policy Buffet (Part 3): As Kerry-Lieberman Fades, a Fresh Start for Cap-and-Trade?

    The Policy Buffet (Part 3): As Kerry-Lieberman Fades, a Fresh Start for Cap-and-Trade?

    This is the third post in a series that covers the Senates current energy and climate proposals. The introductory post can be found here. The American Power Act (APA), co-sponsored by Sens. John Kerry (D-Mass) and Joe Lieberman (I-Conn), has been seen by many as a paradigm for comprehensive energy and climate legislation. The bill…

  • The Policy Buffet (Part 2): Understanding the American Power Act

    This is the second post in a series that covers the Senate’s current energy and climate proposals. The introductory post can be found here. Among the various climate and energy proposals floating through the Senate, the American Power Act (APA) has received the lion’s share of attention. The bill, co-sponsored by Sens. John Kerry (D-Mass) and…

  • The Policy Buffet (Part 1): Making Sense of the Senate’s Climate and Energy Proposals

    Advocates for energy policy reform and legislative action on climate change have long anticipated their opportunity to effect change. This summer may be the turning point they have awaited. In recent weeks, energy and climate policy have taken over the political limelight. The devastating oil spill in the Gulf of Mexico has forced Americans to…

  • When High Hopes Make Little Sense: Why the Hartwell Paper Fails to Deliver

    Earlier this year, 14 energy academics, analysts and advocates gathered with hopes of reinventing the way the international community treats climate policy. The result, The Hartwell Paper: A new direction for climate policy after the crash of 2009, aims to examine “all aspects of the crisis which enveloped global climate policy” last December during the…

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

  • What is the Benefit of Privatizing Water?

    What is the Benefit of Privatizing Water?

    A recent Wall Street Journal article reports on what seems to be an accelerating trend: cities privatizing their water supplies. According to the article, the Indianapolis city-county council voted last month to sell its water and sewer utilities to a charitable trust; San Jose and Pittsburgh are considering selling their water systems as well, while…

  • The Policy Buffet (Part 5): How the Oil Spill Killed the Climate Bill — and Why the Economy Didn’t Help, Either

    The Policy Buffet (Part 5): How the Oil Spill Killed the Climate Bill — and Why the Economy Didn’t Help, Either

    The climate bill has come and gone. Just two months ago, it seemed as though the bill stood a fighting chance, given the buffet of options available to policymakers.

  • Jeffrey Sachs, Gavin Schmidt on Economy and Wild Summer Weather

    Jeffrey Sachs, Gavin Schmidt on Economy and Wild Summer Weather

    Jeffrey Sachs’ discusses what it will take to kick start the US economy and the possible links between climate change and this summer’s weather on CNN’s “GPS with Fareed Zakaria”.

  • Safe Water or Abundant Energy? Take Your Pick

    Safe Water or Abundant Energy? Take Your Pick

    In the recent documentary Gasland, Josh Fox investigate the rapidly growing practice of hydraulic fracturing or “hydrofracking” that natural gas companies have developed to produce gas from underground shale deposits.

  • Sime Darby Supports Sustainable Agriculture and China 2049

    Sime Darby Supports Sustainable Agriculture and China 2049

    The Sime Darby Group, a Malaysian-based multinational company with core businesses in plantation, property, motors, industrial, energy and utilities, has committed $500,000 in support of the Earth Institute’s Tropical Agriculture and China 2049 programs, making the company the newest Earth Institute Corporate Circle Strategic Partner. The Earth Institute also serves on Sime Darby’s International Advisory…

  • The Policy Buffet (Part 3): As Kerry-Lieberman Fades, a Fresh Start for Cap-and-Trade?

    The Policy Buffet (Part 3): As Kerry-Lieberman Fades, a Fresh Start for Cap-and-Trade?

    This is the third post in a series that covers the Senates current energy and climate proposals. The introductory post can be found here. The American Power Act (APA), co-sponsored by Sens. John Kerry (D-Mass) and Joe Lieberman (I-Conn), has been seen by many as a paradigm for comprehensive energy and climate legislation. The bill…

  • The Policy Buffet (Part 2): Understanding the American Power Act

    This is the second post in a series that covers the Senate’s current energy and climate proposals. The introductory post can be found here. Among the various climate and energy proposals floating through the Senate, the American Power Act (APA) has received the lion’s share of attention. The bill, co-sponsored by Sens. John Kerry (D-Mass) and…

  • The Policy Buffet (Part 1): Making Sense of the Senate’s Climate and Energy Proposals

    Advocates for energy policy reform and legislative action on climate change have long anticipated their opportunity to effect change. This summer may be the turning point they have awaited. In recent weeks, energy and climate policy have taken over the political limelight. The devastating oil spill in the Gulf of Mexico has forced Americans to…

  • When High Hopes Make Little Sense: Why the Hartwell Paper Fails to Deliver

    Earlier this year, 14 energy academics, analysts and advocates gathered with hopes of reinventing the way the international community treats climate policy. The result, The Hartwell Paper: A new direction for climate policy after the crash of 2009, aims to examine “all aspects of the crisis which enveloped global climate policy” last December during the…