What are the Glaciers Doing?

Advancing? Low ridges (moraines) at the front of this glacier were formed by a glacier advance in the 1970s.	Retreating? Glaciers: Retreated from 1930 - 1960s Readvanced a little in 1970 - 1980s Now they are thinning and slowly retreating.	Data source: Ebbett (2003)
Glaciers were much larger in the early 1800's		Who Monitors the Glaciers?