Science Jul 24

As glaciers shrink, iceberg tourism booms

Scientists are concerned that global warming is destabilizing glaciers and ice shelves, creating larger and more frequent icebergs, like the Petermann Ice Island and the iceberg off the Innaarsuit settlement in Greenland.

In Wednesday's other news, the House approved a $400 billion spending bill for the current fiscal year and Homeland Security Secretary Janet Napolitano said the government will miss a 2012 deadline for screening freight for radiological and nuclear material.