The original content of Democracy Now! Headlines appears under the Creative Commons BY-NC-ND 3.0 License (United States). For more, including their other shows and media, visit www.democracynow.org. July 19, 2012 Massive Iceberg Detaches from Greenland Glacier ------------------------------------------------ An iceberg twice size of Manhattan has broken off from one of Greenland’s two main glaciers, the Petermann Glacier. It was the second time in two years that parts of the Petermann Glacier have broken off after an ice island four times Manhattan's size cracked apart in August 2010. .