NASA has issued a preliminary report confirming environmentalists' fears of disappearing sea ice at the Arctic.
Sea ice is the thick permanent ice formed by frozen ocean water that remains even as seasonal ice melts away in the summer. In the past, it has covered about 60 percent of the Arctic.
The sea ice at the Arctic has now been found to have melted away by as much as half, according to a preliminary report issued Tuesday by NASA and the NASA-supported National Snow and Ice Data Center at the University of Colorado.
"According to NASA-processed satellite microwave data, … Read more