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foraminifera

  • Studying ancient organisms like the foraminifera shown here can help scientists reconstruct the ancient history of Earth's climate. (Siim Sepp, Wikimedia Commons)
    Earth's Climate History
    Walker Rhea
    If we understood how Earth's climate has changed over its long geological history, we could better understand modern climate change. In 2020, geoscientists took a major step towards that goal when they published the most complete reconstruction of the last 66 million years of Earth's climate history.