Tag: Deglaciation

  • Nation & World

    Illuminating carbon’s climate effects

    Harvard researchers compiled ice and sedimentary core samples collected from dozens of locations around the world, and found evidence that while changes in Earth’s orbit may have touched off a warming trend, increases in CO2 played a far more important role in pushing the planet out of the ice age.

    4 minutes
  • Nation & World

    Of orbits and ice ages

    In a paper published in the journal Nature, Harvard Professor of Earth and Planetary Sciences Peter Huybers confirms that changes in the orientation of the Earth’s spin axis have contributed to periods of major deglaciation in the past million years.

    4 minutes