How a well-known trek in the Rockies led to important climate change research

For decades, mountaineers have trekked to Abbot Pass, just beyond Lake Louise. Many would stop for a rest at the stone hut along the route, logging their experiences in the hut's registers. Now, researchers have used those entries to track changes in the surrounding mountains. ➤ Subscribe:    / @cbcalberta   ➤ Read more on CBC Calgary: https://www.cbc.ca/news/canada/calgary ➤ Read more on CBC Edmonton: https://www.cbc.ca/news/canada/edmonton ---- We encourage thoughtful comments and respectful discussion. Before commenting, please review our community guidelines: http://www.cbc.ca/aboutcbc/discover/s...