A study led by researchers from Brown University finds that rainfall patterns across northern Africa remained largely stable between 3.5 and 2.5 million years ago—a pivotal period in Earth's climate history when the Northern Hemisphere cooled and places like Greenland became permanently glaciated.
  • Jim East@slrpnk.netEnglish
    1·
    24 days ago

    If the history books are accurate, northern Africa in the time of Alexander the Great was forested. By the end of the Roman Empire, the forest had been felled to make space for grasses (both cereal crops and pasture land), and desertification was the result.