Bloomberg: A fifth of Canadas Arctic glaciers may disappear this century, raising sea levels as their retreat becomes harder to reverse, scientists said.
An increase in average global temperatures of 3 degrees Celsius (5.4 Fahrenheit) would be sufficient to melt the ice from glaciers on Canadas northern islands, according to a statement e-mailed today by the British Antarctic Survey, whose researchers contributed to the study.
The Arctic has become a harbinger of climate change, with the effects of...