HOW FAST IS THE HIMALAYAN ICE REALLY MELTING?

The question in the title of this post is a very difficult one to answer as this article explains. Science is using high tech satellites, but has not yet found a foolproof way of interpreting the data. Where is the humility among scientists? Their problem (if they wish to support the alarmist position) is that any admission of a lack of certainty would lead to yet more scepticism.