Ice Age Melting and Rising Seas

Ice melted in both the Northern and Southern Hemispheres during ice-age warm-ups.

By Emily Sohn, 00:00 AM August 27, 2004

Most of us are used to seasons. Each year, spring follows winter, which follows autumn, which follows summer, which follows spring, with winters that are colder than summers. But Earth can go through much larger temperature cycles over longer times than those that we normally experience.

Between 65,000 and 35,000 years ago, for instance, the planet was much colder than it is now. The temperature also changed a lot during that time, with periods of warming and cooling. Ice melted during the wa...

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