Indonesia's little-known glaciers are melting so fast they could disappear in a decade, a new study says, underscoring the imminent threat posed by climate change to ice sheets in tropical countries.As the COP 25 summit wraps up in Madrid, nations are struggling to finalise rules for the 2015 landmark Paris climate accord, which aims to limit global temperature rises.Thousands of kilometres away, glaciers on a mountain range in Indonesia's Papua region - and a handful of others in A