For all the predictable battles over the state of climate science--from the halls of Congress to the overheated blogosphere--the truth is that our planet still has the potential to surprise us. On Feb. 26, a team of French and Australian scientists reported news of a huge iceberg's collision with the Mertz Glacier on the eastern coast of Antarctica. A chunk of sea ice approximately the size of Luxembourg was gouged out. Owing in part to warming global temperatures, Antarctica is losing ice all the time--about 24 cu. mi. (100 cu km) worth each year--a development that is slowly but steadily raising...
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