Canadian ice shelves halve in six years

Half of Canada's ancient ice shelves have disappeared in the last six years, researchers have said, with new data showing significant portions melted in the last year alone.

Tohoku tsunami created icebergs in Antarctica

A NASA scientist and her colleagues were able to observe for the first time the power of an earthquake and tsunami to break off large icebergs a hemisphere away.

Ships warned about icebergs headed for New Zealand

(AP) -- Ships are on alert and maritime authorities are monitoring the movements of hundreds of menacing icebergs drifting toward New Zealand in the southern Pacific Ocean, officials said.

Greenland and Antarctic ice sheet melting, rate unknown

The Greenland and Antarctica ice sheets are melting, but the amounts that will melt and the time it will take are still unknown, according to Richard Alley, Evan Pugh professor of geosciences, Penn State.

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