This project might be of interest to some on this list: <https://www.nytimes.com/interactive/2017/05/24/climate/mapping-50-years-of-ice-loss-in-glacier-national-park.html?hp&action=click&pgtype=Homepage&clickSource=story-heading&module=photo-spot-region®ion=top-news&WT.nav=top-news> . The graphic tracks a 50 year span for each glacier in Glacier National Park. Joel Kovarsky