Garry
There was no need to mention glacial melting because everybody already knows it is happening. As a climber who has made 7 trips to the Canadian Rockies, I can assure you these glaciers are shrinking at an alarming rate. The data is extremely clear:

In the Canadian Rockies, the Athabasca Glacier, one of the outlet glaciers of the 325 km² Columbia Icefield, has retreated 1500 m since the late 19th century. This retreat has become more rapid after 1980, following a period of slow retreat from 1950-1980. The Peyto Glacier, covering an area of about 12 km², retreated rapidly during the first half of the 20th century, stabilized by 1966 and resumed shrinking in 1976. [13] Illecillewaet Glacier in British Columbia's Glacier National Park (Canada) has retreated 2000 m since first photographed in 1887 below. Bugaboo Glacier glacier has retreated 420 m since 1972. On the Garbaldi Icefield of the Coast Range of British Columbia all nine glacier examined by have retreated significantly since 1976. Helm Glacier is one of these it has lost about 25 m of water equivalent, about 28 m of ice thickness lost. That is more than 30% of the glacier lost in just 25 years. The glacier had an area of 4.3 square kilometers in 1928. Today the area has declined by 78% to 0.92 square kilometers.

http://www.nichols.edu/departments/glacier/glacier_retreat.htm

Also pretty sleazy to-purpose this blog post on your own travel web site:
http://www.gadling.com/2010/09/05/body-of-missing-climber-discovere-after-21-years/

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