Climate

  • Commitment to Life on This Earth
    Among other projects, find out about archaeological research for the site of Helike, which is an ancient Greek city destroyed by an earthquake and tsunami in 373 BC.
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  • Carbon Conundrum
    As scientists study the complicated dynamics of a warming planet, they are trying to understand the movement of Earth's principal greenhouse gas, carbon dioxide, as it meanders through the planet's atmosphere, biosphere, and geosphere.
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  • Tropical Glaciers
    Glacial deposits that formed on tropical land areas during snowball Earth episodes around 600 million years ago, lead to questions about how the glaciers that left the deposits were created. Now, Penn State geoscientists believe that these glaciers could only have formed after the Earth's
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  • Did Hades Freeze Over?
    Initially, the surface of our planet was a fiery, molten stew. Within a few million years, the crust cooled and water vapor rained down to form the oceans, where life may have made it's first appearance.
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