Vast Antarctic iceberg 'could threaten shipping'

UK researchers have been awarded an emergency grant to track a vast iceberg in Antarctica that could enter shipping lanes. Latest images show several kilometres of water between the iceberg, estimated to be about 700 sq km (270 sq miles), and the glacier that spawned the block. via Pocket http://www.bbc.co.uk/news/science-environment-24912233#sa-ns_mchannel=rss&ns_source=PublicRSS20-sa