This pollution layer was observed during the Indian Ocean Experiment (INODEX) intensive field observation in 1999. Subsequently the United Nations Environment Programme (UNEP) has been supporting a project called ABC (still ongoing in 2007).
Although aerosol particles are generally associated with a global cooling effect, recent studies have shown that they can actually have a global warming effect in certain regions such as the Himalayas. The warming effect of the Asian Brown Cloud may be an important factor in the retreat of the Himalayan glaciers. The United Nations Environment Program is worried that Asian glacial melting could lead to water shortages and floods for the hundreds of millions of people who live downstream.
Dirty clouds over Asia - A new UN report on the Asian Brown Cloud (ABC) predicts accelerated melting of glaciers and delayed monsoons.
Dec 05, 2008; BEIJING, 05 December, 2008 (Nepali Times) -- Cities from Beijing to New Delhi are getting darker, glaciers in ranges like the...