Cenozoic Expansion of Grasslands and Climatic Cooling

  title={Cenozoic Expansion of Grasslands and Climatic Cooling},
  author={Gregory J. Retallack},
  journal={The Journal of Geology},
  pages={407 - 426}
Mountains, ocean currents, forests, and swamps have played an important role in regulating global climate for hundreds of millions of years, but the truly novel event of the Cenozoic was the evolution and expansion of grasslands, with their uniquely coevolved grasses and grazers. Neogene expansion of the climatic and geographic range of grasslands at the expense of woodlands is now revealed by recent studies of paleosols, fossils, and their stable isotopic compositions. Grasslands and their… Expand
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