August 2011 compared to previous years.
Average Arctic sea ice extent for August
2011 was the second-lowest for August in the satellite data record.
Including 2011 the linear trend for August now stands at –9.3% per
The Northern Sea Route and NW Passage are simultaneously open. The door is open for commerce in the north and many countries are taking advantage of this. This new trend should be another sign and confirmation that climate change in rapidly changing the earth's environments.