The Earth Enters an Ice Age
The cooling climate of the Paleogene Period continued into the Neogene Period. By the end of the Pliocene Epoch the earth was locked in an Ice Age. There were many reasons that this happened. The lower sea levels, new mountains and shifting ocean currents all contributed. Ice caps grew over the polar regions. They stretched far beyond their present locations. Glaciers, growing from the ice caps, reached down as far as Ohio in the United States. The Pleistocene Epoch was beginning.
The cooling climate of the Paleogene Period continued into the Neogene Period. By the end of the Pliocene Epoch the earth was locked in an Ice Age. There were many reasons that this happened. The lower sea levels, new mountains and shifting ocean currents all contributed. Ice caps grew over the polar regions. They stretched far beyond their present locations. Glaciers, growing from the ice caps, reached down as far as Ohio in the United States. The Pleistocene Epoch was beginning.
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