2-9 of 28,800,000 results
Open links in new tab
  1. Why Do Ice Ages Happen?

    Sep 1, 2019 · Ice ages are driven by a complex, interconnected set of factors, involving Earth's position in the solar system and more local influences, like carbon dioxide levels.

  2. The Ice Age | Causes, FAQ » Geology Science

    Apr 16, 2023 · The Ice Age, also known as the Pleistocene Epoch, was a period of geological time that lasted from about 2.6 million years ago to 11,700 years ago. It was characterized by …

  3. What Triggers Ice Ages? | NOVA | PBS

    Jan 1, 1997 · Earth's climate naturally fluctuates between warm periods and ice ages. What likely caused the last "big chill"?

  4. Many theories have been proposed to explain the causes of ice ages. Any credible theory must explain what caused the ice to build up, how and why the ice advanced and retreated at …

  5. Ice age - Wikipedia

    Ice age An artist's impression of ice age Earth at Pleistocene glacial maximum An ice age is a term describing periods of time when the reduction in the temperature of Earth 's surface and …

  6. Last Glacial Period - Wikipedia

    An artist's impression of the last glacial period at glacial maximum [4] The LGP is often colloquially referred to as the "last ice age", though the term ice age is not strictly defined, and …

  7. Why did the last ice age end?

    Jun 24, 2023 · What caused the last ice age to end around 10,000 years ago? Massive icebergs from a glacier melting on a sunny summer evening in Greenland. (Image credit: Paul Souders …

  8. Glad You Asked: Ice AgesWhat Are They And What Causes Them?

    Sep 1, 2010 · An ice age is a long interval of time (millions to tens of millions of years) when global temperatures are relatively cold and large areas of the Earth are covered by continental …