State of the Planet

News from the Columbia Climate School

Energy49

  • Charcoal, Construction and Coffins: Tracing Links from Disasters to Deforestation in Haiti

    Charcoal, Construction and Coffins: Tracing Links from Disasters to Deforestation in Haiti

    Reliance on fuel wood in the Port-à-Piment watershed area of Haiti—a contributing factor to deforestation there—may be exacerbated by natural disasters.

  • The Columbia Water Center’s New Projects Section

    The Columbia Water Center is pleased to announce the release of a greatly expanded and updated research projects section of its website. The new section includes an interactive map along with updated content on the Water Center’s projects around the world. Find out about our how we’re helping farmers save water with tensiometers in India,…

  • 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.

  • 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.

  • Jeffrey Sachs and Senator John Kerry on Energy

    Professor Sachs mentioned feed-in tariffs as an innovative way to decrease our dependency on fossil fuels and increase investments in renewables. They are a fairly simple and cost-effective way to jump-start production of renewable energy. Feed-in tariffs have been used to transition many European countries, particularly Germany, away from fossil fuels.

  • ‘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…

  • 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…

  • 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.

  • 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.

Colorful icons representing nature, sustainable living, and renewable energy with text "Earth Day 2026"

The first Earth Day in 1970 ignited a movement to stop polluting our planet. Today, our scientists and experts are tackling the most pressing challenges to achieve real-world impact. This Earth Day, join us in our commitment to realizing a just and sustainable future for our planet. Visit our Earth Day website for ideas, resources, and inspiration.

  • Charcoal, Construction and Coffins: Tracing Links from Disasters to Deforestation in Haiti

    Charcoal, Construction and Coffins: Tracing Links from Disasters to Deforestation in Haiti

    Reliance on fuel wood in the Port-à-Piment watershed area of Haiti—a contributing factor to deforestation there—may be exacerbated by natural disasters.

  • The Columbia Water Center’s New Projects Section

    The Columbia Water Center is pleased to announce the release of a greatly expanded and updated research projects section of its website. The new section includes an interactive map along with updated content on the Water Center’s projects around the world. Find out about our how we’re helping farmers save water with tensiometers in India,…

  • 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.

  • 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.

  • Jeffrey Sachs and Senator John Kerry on Energy

    Professor Sachs mentioned feed-in tariffs as an innovative way to decrease our dependency on fossil fuels and increase investments in renewables. They are a fairly simple and cost-effective way to jump-start production of renewable energy. Feed-in tariffs have been used to transition many European countries, particularly Germany, away from fossil fuels.

  • ‘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…

  • 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…

  • 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.

  • 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.