Inter Press Service: Accelerated warming in the Antarctic Peninsula has caused the loss of over 85 percent of the ice shelves surrounding the northern half of the peninsula in the last 20 years, experts say. The latest collapse occurred on the weekend. The Wilkins ice shelf, an ice sheet up to 250 metres thick located on the southwestern side of the peninsula – the northernmost part of the mainland of Antarctica – had already shrunk from a surface area of 16,000 to 13,700 square kilometres. Finally …