Planet Earth: The summer melting season in the Antarctic Peninsula has lengthened over the last 60 years, new research shows.
This is contributing to sea-level rise, and may be linked to the rapid break-up of ice shelves in the area.
The Antarctic Peninsula, a mountainous finger of land pointing northwards towards South America, is warming much faster than the rest of Antarctica. Temperatures have risen by almost 3°C since the 1950s -- three times faster than the global average.
Scientists think this...