State of the Planet

News from the Columbia Climate School

Earth Sciences79

  • Volcanic Plumbing at Mid-Ocean Ridges Goes Far Deeper than Thought

    Volcanic Plumbing at Mid-Ocean Ridges Goes Far Deeper than Thought

    New pictures in the journal Nature Geoscience may help resolve a debate about how new crust forms at mid-ocean ridges where earth’s tectonic plates are slowly pulling apart.

  • Watch Your Step: the Alpha Predator of the Ordovician

    Watch Your Step: the Alpha Predator of the Ordovician

    Frozen into the stone floor of a stairway landing, several flights up in Columbia’s Lewisohn Hall, sits a stark reminder of how life has evolved in the sea. Part 6 of the Columbia Geology Tour.

  • Sun-gazing

    Sun-gazing

    By Galileo’s careful hand, sunspot details are exquisite, Through eye of forehead, eye of mind beholds what body can not visit. If only he could see the sights now rendered from Earth’s outer space, Ultraviolet sunscapes – Oh, to see his raptured face!

  • What Do Wildfires Have to Do with Climate Change?

    What Do Wildfires Have to Do with Climate Change?

    “Climate change has been making the fire season in the United States longer and on average more intense,” said John Holdren, President Obama’s science advisor. And, wildfires are not only intensified by climate change, they also exacerbate it.

  • Orogenous Zones: How Rock Flows

    Orogenous Zones: How Rock Flows

    The architects of Columbia’s modern Northwest Tower, at the corner of Broadway and 120th Street, made good use of some beautiful stones. In their polished and swirling surfaces, they tell a story of the clash of continents and the processes by which mountains are made.

  • Chemical silence

    Chemical silence

    What if you couldn’t smell smoke? Or detect flirty signs from a bloke? Imagine the cost Of faculties lost, Of signals that deafness would cloak …

  • A Scientist Who Traveled the World to Study the Forest, and the Trees

    Gordon Jacoby, 1934-2014

  • Seeing Red: The Great Oxygenation Event

    Seeing Red: The Great Oxygenation Event

    In Part 4 of the Columbia Geology Tour, David Walker of the Lamont-Doherty Earth Observatory explores the source of the red sandstone of Russell Hall at the Columbia Teachers College on 120th Street.

  • Lamont-Doherty Director Awarded National Medal of Science

    Lamont-Doherty Director Awarded National Medal of Science

    Sean Solomon, director of the Lamont-Doherty Earth Observatory and a geophysicist who has spent much of his career studying Earth’s neighboring planets as well as the Earth itself, will receive the National Medal of Science.

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.

  • Volcanic Plumbing at Mid-Ocean Ridges Goes Far Deeper than Thought

    Volcanic Plumbing at Mid-Ocean Ridges Goes Far Deeper than Thought

    New pictures in the journal Nature Geoscience may help resolve a debate about how new crust forms at mid-ocean ridges where earth’s tectonic plates are slowly pulling apart.

  • Watch Your Step: the Alpha Predator of the Ordovician

    Watch Your Step: the Alpha Predator of the Ordovician

    Frozen into the stone floor of a stairway landing, several flights up in Columbia’s Lewisohn Hall, sits a stark reminder of how life has evolved in the sea. Part 6 of the Columbia Geology Tour.

  • Sun-gazing

    Sun-gazing

    By Galileo’s careful hand, sunspot details are exquisite, Through eye of forehead, eye of mind beholds what body can not visit. If only he could see the sights now rendered from Earth’s outer space, Ultraviolet sunscapes – Oh, to see his raptured face!

  • What Do Wildfires Have to Do with Climate Change?

    What Do Wildfires Have to Do with Climate Change?

    “Climate change has been making the fire season in the United States longer and on average more intense,” said John Holdren, President Obama’s science advisor. And, wildfires are not only intensified by climate change, they also exacerbate it.

  • Orogenous Zones: How Rock Flows

    Orogenous Zones: How Rock Flows

    The architects of Columbia’s modern Northwest Tower, at the corner of Broadway and 120th Street, made good use of some beautiful stones. In their polished and swirling surfaces, they tell a story of the clash of continents and the processes by which mountains are made.

  • Chemical silence

    Chemical silence

    What if you couldn’t smell smoke? Or detect flirty signs from a bloke? Imagine the cost Of faculties lost, Of signals that deafness would cloak …

  • A Scientist Who Traveled the World to Study the Forest, and the Trees

    Gordon Jacoby, 1934-2014

  • Seeing Red: The Great Oxygenation Event

    Seeing Red: The Great Oxygenation Event

    In Part 4 of the Columbia Geology Tour, David Walker of the Lamont-Doherty Earth Observatory explores the source of the red sandstone of Russell Hall at the Columbia Teachers College on 120th Street.

  • Lamont-Doherty Director Awarded National Medal of Science

    Lamont-Doherty Director Awarded National Medal of Science

    Sean Solomon, director of the Lamont-Doherty Earth Observatory and a geophysicist who has spent much of his career studying Earth’s neighboring planets as well as the Earth itself, will receive the National Medal of Science.