Last Updated: Saturday, September 29, 2012, 09:47
Polar bears could soon disappear from parts of the Arctic due to global warming, a climate-change expert has warned.
Last Updated: Monday, August 13, 2012, 12:50
In an alarming sign, scientists have warned that Arctic sea ice is dramatically melting at a faster rate than previously thought, which may accelerate the effects of global warming.
Last Updated: Thursday, March 01, 2012, 12:45
The thicker ice, known as multi-year ice, survives through the cyclical summer melt season, when young ice that has formed over winter just as quickly melts again.
Last Updated: Thursday, June 17, 2010, 20:17
Arctic sea ice melted 50% faster than the average rate during May 2010.
more videos >>