The Grinnell Glacier in Glacier National Park doesn’t appear to have changed in size since 1994.
Experts predicted the park would be ice free by 1948.
29 Dec 1923, Page 5 – at Newspapers.com
That prediction failed, so they changed the date to 1961.
17 Sep 1936, Page 16 – Arizona Republic at Newspapers.com
That prediction failed, so they changed the date to 2002.
05 Mar 1952, Page 1 – The Post-Standard at Newspapers.com
Then 2020.
No More Glaciers in Glacier National Park by 2020?
Then 2044.
Climate Change Threatens to Strip the Identity of Glacier National Park – The New York Times