What are glaciers? Ice on land

>    How fast are glaciers retreating?

What are icebergs? Ice floating in water

>    What is the tallest iceberg?

What was the last ice age like? 18,000 years ago ice sheets covered large areas of land

>    Why do Ice Ages Occur?

>    How are ice ages formed?

>    How did the ice ages affect sea level?

>    Why are changes in sea level important?

Is the polar ice cap thawing? Sea ice from melting glaciers

>    How much of the Southern Oceans are covered by ice?

>    How much of the Arctic Ocean is covered by ice?

How do icebergs influence ecosystems? Sea ice movements can affect penguin habitats

Who claims the Antarctic? Claimed territory

What are Antarctic resources? Map of polar resources