Why don't glaciers melt?

If there is still snow there by the end of summer (it hasn't all melted away) then it can be added to by the following year's snowfall. If this process keeps repeating then the snow will continue to build up and over time until the layers at the base will have changed to become glacial ice. read more

To answer that we’ll first need to look at how glaciers form. In the upper reaches of mountain ranges around the world, snow will fall and accumulate. read more

Glaciers do melt all the time. There are two main types of glaciers: Alpine and Continental and both have zones that are constantly melting (called zones of wastage) and zones where new snow is accumulated and compacted into ice (called zones of accumulation). read more