Green shows ice present in 2013 which was not present on this date in 2012. Red shows the opposite. Ice extent has increased by 67% over the past year.
One of NASA’s ice experts, Dr. Walt Meier says :
This year “will without a doubt” rank in the top five lowest levels of ice extent ever recorded in the satellite era, and there is a good possibility that 2013 could rank second in terms of recorded ice lows, said Walt Meier, a scientist at the National Snow & Ice Data Center.
Another NASA expert, Jay Zwally says :
NASA climate scientist Jay Zwally said: “At this rate, the Arctic Ocean could be nearly ice-free at the end of summer by 2012, much faster than previous predictions.”