Week in Photos: Stromboli Eruption, Record Ivory Seizure, Holi Festival, More

News photos from the week of February 23-March 1, 2007
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Antarctica, March 1, 2007—An iceberg that broke off of Antarctica's giant Ross Ice Shelf in March 2000 is just one of many research targets for International Polar Year, a two-year scientific study of the Arctic and Antarctic regions that began on March 1, 2007.

Scientists believe the huge ice fragment broke off as part of a natural cycle, but elsewhere the polar regions are under assault by large temperature changes most scientists believe are the results of human-caused global warming. A number of expeditions and research projects will chart the effects of these changes during the polar year.

(Related story: "Ice Shelf Collapses Reveal New Species, Ecosystem Changes" [February 27, 2007].)

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Photograph by Josh Landis, Courtesy National Science Foundation
 
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