 So according to CNN, Pakistan has the most glaciers anywhere besides those by the polar ice caps. So how can that necessarily play a major factor into the increase in flooding? The Indus River drains a substantial portion of the Himalayas, which, as you say, have quite a few glaciers. And undoubtedly, if you have melting glaciers, that melt water contributes to the river level, and particularly in summer when you would expect the melt to be occurring.