I found it pretty easy to find non-flamebait information on this story, here it is on CNN[0]. Here[1] is some background; here[2] is the original 2003 study (which predicted the glaciers would disappear in 2030; the date was apparently pushed up based on field observations showing glaciers melting faster than the model predicted.

[0] https://edition.cnn.com/2020/01/08/us/glaciers-national-park...

[1] https://yaleclimateconnections.org/2019/09/fact-check-no-the...

[2] https://doi.org/10.1641/0006-3568(2003)053[0131:MCIGCI]2.0.C...