Climate Change - Repeat photography of melting glaciers

Glaciers are melting quickly in many places.

Grinnel Glacier- at the top, 1940, compared with the lower image from 2006. Repeat photography reveals this process.

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Mount Lyell is in Yosemite National Park, California.

New research shows that glacier retreat is a global phenomenon and is being caused by climate change:
....in many places, the centennial-scale retreat of the local glaciers does indeed constitute categorical evidence of climate change.
In 2014Exit Glacier in Alaska melted and retreated 57 metres toward the Harding ice field, which itself has lost 10 per cent of its mass since 1950.


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