State of the Planet

News from the Columbia Climate School

sustainable development42

  • India’s Water Is Running Out

    India’s Water Is Running Out

    India is running “the largest water-mining project in the world”–and it cannot be sustained much longer, Columbia Water Center researcher Shama Perveen told an audience on Monday. That is mainly because farmers, who depend heavily on irrigation water drawn from underground aquifers, are using far more water than rainfall can replenish. Perveen’s talk, “Quantifying the…

  • Parched for Peace: A Slight Digression, Just for Kicks

    Parched for Peace: A Slight Digression, Just for Kicks

    Yesterday, FIFA announced that the 2022 World Cup would be held in Qatar, the first Middle Eastern country ever chosen to host the tournament.

  • Ceará, Brazil: With Electricity and Water, This Place is Heaven

    Ceará, Brazil: With Electricity and Water, This Place is Heaven

    “With electricity and water, this place is heaven on earth.” That is the opinion of several residents I spoke with last summer during a visit to Milhã, in the center of the state of Ceará, Brazil. In this rural, semi-arid region communities are small and close-knit, and many families have lived there, often in the…

  • Plastic Bottles, Compost Toilets and Rainwater Catchment: Simple Solutions for Haiti’s Clean Water Crisis

    Plastic Bottles, Compost Toilets and Rainwater Catchment: Simple Solutions for Haiti’s Clean Water Crisis

    There are many other low-cost, high-impact approaches to alleviating the clean water crises in places like Haiti, so it’s worth mentioning a few.

  • Parched for Peace: The UAE has Oil and Money, but No Water

    Parched for Peace: The UAE has Oil and Money, but No Water

    One of the greatest challenges to sustaining 1.8 million people in an extremely arid locale is water, which in the coastal city of Dubai is abundant but not potable.

  • ‘Small is Also Beautiful’ – Appropriate Technology Cuts Rice Farmers’ Water Use by 30 Percent in Punjab, India

    ‘Small is Also Beautiful’ – Appropriate Technology Cuts Rice Farmers’ Water Use by 30 Percent in Punjab, India

    Since the 1960s, farmers in Punjab, India have practiced some of the most intensive broad scale grain production in the world. As a result, the state has earned the nickname “the food bowl of India” for its out sized role in adopting and implementing Green Revolution technologies that in the last decades of the 20th…

  • 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.

  • 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…

  • ‘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.

Collage of Turkiye beach scene and Columbia University Campus with text: UN Climate Change Conference COP31, Antalya, Turkiye, Nov 9-20, 2026

COP31, the 2026 United Nations Climate Change Conference, aims to advance dialogue, strengthen consensus, and accelerate climate action on a global scale. From November 9–20, 2026 in Antalya, Türkiye, heads of state, ministers, scientists, business leaders, and civil society will gather to advance efforts in emission targets, climate finance, and adaptation and resilience. Once again, our experts, students, and global thought leaders from Columbia Climate School and across Columbia University are contributing to key events, sharing insights, and helping shape the dialogue toward ambitious, science-based solutions. Learn More

  • India’s Water Is Running Out

    India’s Water Is Running Out

    India is running “the largest water-mining project in the world”–and it cannot be sustained much longer, Columbia Water Center researcher Shama Perveen told an audience on Monday. That is mainly because farmers, who depend heavily on irrigation water drawn from underground aquifers, are using far more water than rainfall can replenish. Perveen’s talk, “Quantifying the…

  • Parched for Peace: A Slight Digression, Just for Kicks

    Parched for Peace: A Slight Digression, Just for Kicks

    Yesterday, FIFA announced that the 2022 World Cup would be held in Qatar, the first Middle Eastern country ever chosen to host the tournament.

  • Ceará, Brazil: With Electricity and Water, This Place is Heaven

    Ceará, Brazil: With Electricity and Water, This Place is Heaven

    “With electricity and water, this place is heaven on earth.” That is the opinion of several residents I spoke with last summer during a visit to Milhã, in the center of the state of Ceará, Brazil. In this rural, semi-arid region communities are small and close-knit, and many families have lived there, often in the…

  • Plastic Bottles, Compost Toilets and Rainwater Catchment: Simple Solutions for Haiti’s Clean Water Crisis

    Plastic Bottles, Compost Toilets and Rainwater Catchment: Simple Solutions for Haiti’s Clean Water Crisis

    There are many other low-cost, high-impact approaches to alleviating the clean water crises in places like Haiti, so it’s worth mentioning a few.

  • Parched for Peace: The UAE has Oil and Money, but No Water

    Parched for Peace: The UAE has Oil and Money, but No Water

    One of the greatest challenges to sustaining 1.8 million people in an extremely arid locale is water, which in the coastal city of Dubai is abundant but not potable.

  • ‘Small is Also Beautiful’ – Appropriate Technology Cuts Rice Farmers’ Water Use by 30 Percent in Punjab, India

    ‘Small is Also Beautiful’ – Appropriate Technology Cuts Rice Farmers’ Water Use by 30 Percent in Punjab, India

    Since the 1960s, farmers in Punjab, India have practiced some of the most intensive broad scale grain production in the world. As a result, the state has earned the nickname “the food bowl of India” for its out sized role in adopting and implementing Green Revolution technologies that in the last decades of the 20th…

  • 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.

  • 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…

  • ‘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.