During the past billion years, the Earth’s climate has fluctuated between warm periods-sometimes even completely ice-free-and cold periods, when glaciers scour the continents. In this article, climate scientist Kirk Maasch offers perspective on these historic changes, including the likely causes of the last great ice age-which contrary to common knowledge, we are still in the midst of.

Related Essays:

  1. What could have significantly affected climatic variations and advances and retreats of ice sheets during the Pleistocene epoch
  2. How many ice fields were there in the ice age
  3. How did the last ice age end
  4. Who were Paleolithic people
  5. When is the next ice age coming
  6. During the ice age the bottom of Bering Strait became
  7. How long did the ice age last
  8. What went extinct during the ice age
  9. What is the material formed through the compaction of successive snowfalls by the elimination of air spaces and by recrystallization
  10. What do geologists think happen during the last ice age

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