State of the Planet

News from the Columbia Climate School

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  • Expedition Explores Undersea Rift off Greece

    Expedition Explores Undersea Rift off Greece

    The Corinth rift is one of the most seismically active areas in Europe. Starting this month, researchers will drill into the rift to discover its past and future.

  • Ancient Humans Left Africa to Escape Drying Climate, Says Study

    Ancient Humans Left Africa to Escape Drying Climate, Says Study

    Ancient humans migrated out of Africa to escape a drying climate, says a new study—a finding that contradicts previous suggestions that ancient people were able to leave because a then-wet climate allowed them to cross the generally arid Horn of Africa and Middle East.

  • Study Bolsters Volcanic Theory of Ancient Extinction

    Study Bolsters Volcanic Theory of Ancient Extinction

    A team of scientists has found new evidence to bolster the idea that the Permian Extinction, which occurred 252 million years ago, was caused by massive volcanic eruptions in what is now Siberia.

  • Seasonal Changes in Climate May Muddle Results of Malaria Interventions in Africa

    Seasonal Changes in Climate May Muddle Results of Malaria Interventions in Africa

    A new climate study shows that some countries in sub-Saharan Africa may be underestimating the impact of their malaria control activities, while others may be underestimating their success.

  • Climate Change Could Spell Trouble for Europe’s Electrical Grid

    Climate Change Could Spell Trouble for Europe’s Electrical Grid

    Peak demand for electricity is expected to shift from winter to summer, and from Northern Europe to the South—changes that could strain the region’s infrastructure.

  • Climate May Quickly Drive Forest-Eating Beetles North, Says Study

    Climate May Quickly Drive Forest-Eating Beetles North, Says Study

    Over the next few decades, global warming-related rises in winter temperatures could significantly extend the range of the southern pine beetle, one of the world’s most aggressive tree-killing insects, through much of the northern United States and southern Canada, says a new study.

  • New York’s Waterways Are Swimming in Plastic Microbeads

    New York’s Waterways Are Swimming in Plastic Microbeads

    Plastic microbeads, common in soap, toothpaste and other consumer products, are flooding waters. A team from Lamont-Doherty Earth Observatory is doing the first large-scale assessment of their impact on New York’s waterways.

  • Fighting Ivory Trafficking with Forensic Science

    Fighting Ivory Trafficking with Forensic Science

    Last week, just days before Central Park’s big Ivory Crush, a Lamont-Doherty geochemist and his colleague sawed off samples of the confiscated ivory for DNA testing and radiocarbon dating. Their results could determine where and when each elephant was killed—which could help catch the poachers responsible.

  • Analyzing Winter Storm Risk and Resilience in a Changing Climate

    Analyzing Winter Storm Risk and Resilience in a Changing Climate

    A new study analyzing storm intensity and impacts in the New York metro area aims to inform how communities can better prepare for winter storms and enhance resiliency as the effects of climate change exacerbate hazards.

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.

  • Expedition Explores Undersea Rift off Greece

    Expedition Explores Undersea Rift off Greece

    The Corinth rift is one of the most seismically active areas in Europe. Starting this month, researchers will drill into the rift to discover its past and future.

  • Ancient Humans Left Africa to Escape Drying Climate, Says Study

    Ancient Humans Left Africa to Escape Drying Climate, Says Study

    Ancient humans migrated out of Africa to escape a drying climate, says a new study—a finding that contradicts previous suggestions that ancient people were able to leave because a then-wet climate allowed them to cross the generally arid Horn of Africa and Middle East.

  • Study Bolsters Volcanic Theory of Ancient Extinction

    Study Bolsters Volcanic Theory of Ancient Extinction

    A team of scientists has found new evidence to bolster the idea that the Permian Extinction, which occurred 252 million years ago, was caused by massive volcanic eruptions in what is now Siberia.

  • Seasonal Changes in Climate May Muddle Results of Malaria Interventions in Africa

    Seasonal Changes in Climate May Muddle Results of Malaria Interventions in Africa

    A new climate study shows that some countries in sub-Saharan Africa may be underestimating the impact of their malaria control activities, while others may be underestimating their success.

  • Climate Change Could Spell Trouble for Europe’s Electrical Grid

    Climate Change Could Spell Trouble for Europe’s Electrical Grid

    Peak demand for electricity is expected to shift from winter to summer, and from Northern Europe to the South—changes that could strain the region’s infrastructure.

  • Climate May Quickly Drive Forest-Eating Beetles North, Says Study

    Climate May Quickly Drive Forest-Eating Beetles North, Says Study

    Over the next few decades, global warming-related rises in winter temperatures could significantly extend the range of the southern pine beetle, one of the world’s most aggressive tree-killing insects, through much of the northern United States and southern Canada, says a new study.

  • New York’s Waterways Are Swimming in Plastic Microbeads

    New York’s Waterways Are Swimming in Plastic Microbeads

    Plastic microbeads, common in soap, toothpaste and other consumer products, are flooding waters. A team from Lamont-Doherty Earth Observatory is doing the first large-scale assessment of their impact on New York’s waterways.

  • Fighting Ivory Trafficking with Forensic Science

    Fighting Ivory Trafficking with Forensic Science

    Last week, just days before Central Park’s big Ivory Crush, a Lamont-Doherty geochemist and his colleague sawed off samples of the confiscated ivory for DNA testing and radiocarbon dating. Their results could determine where and when each elephant was killed—which could help catch the poachers responsible.

  • Analyzing Winter Storm Risk and Resilience in a Changing Climate

    Analyzing Winter Storm Risk and Resilience in a Changing Climate

    A new study analyzing storm intensity and impacts in the New York metro area aims to inform how communities can better prepare for winter storms and enhance resiliency as the effects of climate change exacerbate hazards.