The center says September Arctic sea ice is decreasing at a rate of more than eleven percent every ten years.
VOA: special.2009.10.27
He says a warmer Arctic and thinner sea ice changes the balance between the normally cold Arctic and warmer areas.
VOA: special.2009.05.05
He was about half way across the river when the tree trunk moved suddenly, John fell from it onto the ice.
VOA: special.2010.06.26
He explains that as the water freezes, it produces heat,and the ice forms a protective blanket around the tree.
VOA: special.2010.01.12
Many of the lakes around the Grand Tetons were formed millions of years ago by slow-moving sheets of ice.
VOA: special.2009.02.16
It made the ice thin. If he stepped there, he might break through the ice into a pool of water.
VOA: special.2010.05.01
Bob Doughty and Faith Lapidus tell about some of the winning American athletes on and off the ice and snow.
VOA: special.2010.02.26
When melting snow crystals or raindrops fall through very cold air, they freeze to form small particles of ice,called sleet.
VOA: special.2010.01.05
In eighteen forty-one, the British navy officer James Ross discovered areas now called the Ross Sea and Ross Ice Shelf.
VOA: special.2009.06.03
He says changes to the ice cover also affect Arctic wildlife and people who depend on the local environment.
VOA: special.2009.05.05
Before the flight went down, sensors gave conflicting information on air speed to the plane's computers, possibly because of ice.
VOA: special.2009.06.13
But he says there is no reason to think that the ice levels will return to the levels of thirty years ago.
VOA: special.2009.10.27
Jill Mikucki led the team of scientists who explored an area under an ice formation called Taylor Glacier.
VOA: special.2009.06.03
They were all waiting for the ice to melt so they could continue on to the gold fields.
VOA: special.2009.02.11
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