State of the Planet

News from the Columbia Climate School

climate change126

  • Does La Niña Lead to Flu Pandemics?

    Does La Niña Lead to Flu Pandemics?

    Four major flu pandemics of the last century, including the deadly 1918 flu, were all proceeded by La Niña conditions in the Pacific, according to a recent paper.

  • Building NYC’s Resilience to Climate Change With Green Infrastructure

    Building NYC’s Resilience to Climate Change With Green Infrastructure

    Climate change will impact New York City through more frequent heavy precipitation, sea level rise and rising temperatures. To strengthen its resilience, the city is planting trees and mini-parks, restoring wetlands and installing more permeable surfaces.

  • Fast & Cheap: Shortcuts to Curb Global Warming

    Fast & Cheap: Shortcuts to Curb Global Warming

    Relatively cheap, simple steps using existing technologies could cut projected global warming by one degree Fahrenheit – a substantial amount — by focusing on sources of methane and soot, concludes a new study by an international team of scientists.

  • Cuts in Non-CO2 Pollutants May Slow Climate Change

    Reducing Soot and Methane Would Bring Fast Results, Says Study

  • Enabling Change: Training Development Practitioners in Jordan

    Enabling Change: Training Development Practitioners in Jordan

    The citizens of Jordan, and elsewhere in the Middle East, must confront challenges of rapid population growth, climate change, poverty, inequality and environmental degradation. A new program run jointly by the Earth Institute and the Institute of Sustainable Development Practice in Amman is helping policymakers and others involved learn the techniques of sustainable development to…

  • Climate News Roundup: Week of 1/01

    Climate News Roundup: Week of 1/01

    Police Inquiry Prompts New Speculation on Who Leaked Climate-Change E-mails, Jan 1, New York Times Speculation has revived about the identity of the hacker responsible for releasing more than 1,000 private e-mails on the Internet in an attempt to discredit climate scientists. In November, another round of e-mails between scientists were distributed online before the…

  • Evolutionary Psychology of Climate Change

    Evolutionary Psychology of Climate Change

    Why haven’t we rallied our collective power to mitigate climate change? Daniel Gilbert, a professor of psychology at Harvard University, argues that human brains evolved to respond to threats that have four features, ones that global warming lack.

  • In Himalayas, Assessing Climate Threats to Ice, and Water Supply

    Bhutan’s Melting Glaciers May Affect Farming, Hydropower, Floods

  • From Distant Past, Lessons on Ocean Acidification

    From Distant Past, Lessons on Ocean Acidification

    Oceans turned more acidic during a period of great warming some 56 million years ago, causing an extinction of bottom-dwelling marine species known as foraminifera, a scenario that may be happening again now, only much more quickly.

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.

  • Does La Niña Lead to Flu Pandemics?

    Does La Niña Lead to Flu Pandemics?

    Four major flu pandemics of the last century, including the deadly 1918 flu, were all proceeded by La Niña conditions in the Pacific, according to a recent paper.

  • Building NYC’s Resilience to Climate Change With Green Infrastructure

    Building NYC’s Resilience to Climate Change With Green Infrastructure

    Climate change will impact New York City through more frequent heavy precipitation, sea level rise and rising temperatures. To strengthen its resilience, the city is planting trees and mini-parks, restoring wetlands and installing more permeable surfaces.

  • Fast & Cheap: Shortcuts to Curb Global Warming

    Fast & Cheap: Shortcuts to Curb Global Warming

    Relatively cheap, simple steps using existing technologies could cut projected global warming by one degree Fahrenheit – a substantial amount — by focusing on sources of methane and soot, concludes a new study by an international team of scientists.

  • Cuts in Non-CO2 Pollutants May Slow Climate Change

    Reducing Soot and Methane Would Bring Fast Results, Says Study

  • Enabling Change: Training Development Practitioners in Jordan

    Enabling Change: Training Development Practitioners in Jordan

    The citizens of Jordan, and elsewhere in the Middle East, must confront challenges of rapid population growth, climate change, poverty, inequality and environmental degradation. A new program run jointly by the Earth Institute and the Institute of Sustainable Development Practice in Amman is helping policymakers and others involved learn the techniques of sustainable development to…

  • Climate News Roundup: Week of 1/01

    Climate News Roundup: Week of 1/01

    Police Inquiry Prompts New Speculation on Who Leaked Climate-Change E-mails, Jan 1, New York Times Speculation has revived about the identity of the hacker responsible for releasing more than 1,000 private e-mails on the Internet in an attempt to discredit climate scientists. In November, another round of e-mails between scientists were distributed online before the…

  • Evolutionary Psychology of Climate Change

    Evolutionary Psychology of Climate Change

    Why haven’t we rallied our collective power to mitigate climate change? Daniel Gilbert, a professor of psychology at Harvard University, argues that human brains evolved to respond to threats that have four features, ones that global warming lack.

  • In Himalayas, Assessing Climate Threats to Ice, and Water Supply

    Bhutan’s Melting Glaciers May Affect Farming, Hydropower, Floods

  • From Distant Past, Lessons on Ocean Acidification

    From Distant Past, Lessons on Ocean Acidification

    Oceans turned more acidic during a period of great warming some 56 million years ago, causing an extinction of bottom-dwelling marine species known as foraminifera, a scenario that may be happening again now, only much more quickly.