Global warming has led to accelerated melting of Himalayas' glaciers

Navin Singh KhadkaEnvironment correspondent, BBC World Service How much of a role climate change played in the collapse of the glacier that caused this devastating flood might be known if there are focused studies in the days to come. But what we already know is that global warming has led to accelerated melting of Himalayas' glaciers, icefields, snowpacks and permafrost. Scientists say thinning and retreating of glaciers can not only cause their collapse but can also rapidly fill up glacial lak