Reuters: Rises in the sea level around Antarctica in the past decade are almost entirely due a warming ocean, not ice melting, an Australian scientist leading a major international research programme said. The 15-year study of temperature and salinity changes in the Southern Ocean found average temperatures warmed by about three-tenths of a degree Celsius. Satellites also measured a rise of about 2 cms (about an inch) in seas in the southern polar region over an area half the size of …