A fifth of Swiss Alpine ice has vanished in five years
swissinfo.ch
swissinfo.ch
https://climate.metoffice.cloud/glaciers.html#datasets
though the likely hood is that the melt is acelerating, and the next 5 years could reasonably see 30% melt, so half in 10 years and reminants left in 15, not 100 yr's
the 'it wont happen in our lifetimes' thing should be very specificly imposed on those who keep saying it ;)