Climate change's connections with the extreme heat and weather events in the U.S. and around the globe have been well established. But climate change is also having a measurable impact on a much slower-moving development: the loss of glaciers and the melting of the ice. Miles O'Brien brings us this update on a scientist's quest to chronicle what's happening with one of the most important glaciers. Stream your PBS favorites with the PBS app: Find more from PBS NewsHour at Subscribe to our YouTube channel: Follow us: Facebook: Twitter: Instagram: Subscribe: PBS NewsHour podcasts: Newsletters:
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