We find evidence that black soot aerosols deposited on Tibetan glaciers have been a significant contributing factor to observed rapid glacier retreat. Reduced black soot emissions, in addition to reduced greenhouse gases, may be required to avoid demise of Himalayan glaciers and retain the benefits of glaciers for seasonal fresh water supplies.

Original Source

We find evidence that black soot aerosols deposited on Tibetan
glaciers have been a significant contributing factor to observed
rapid glacier retreat. Reduced black soot emissions, in addition to reduced greenhouse gases, may be required to avoid demise of
Himalayan glaciers and retain the benefits of glaciers for seasonal fresh water supplies.