| More research is also required on the brown clouds that exist in parts of North America, Europe, Southern Africa and the Amazon Basin. |
BEIJING, China, November 13, 2008 (ENS) - A brown cloud of pollution caused by human activities, three kilometers thick and stretching from the Arabian Peninsula across Asia to the western Pacific Ocean, is darkening cities, speeding the melting of Himalayan glaciers and affecting human health, finds a new report from the United Nations Environment Programme.
Atmospheric brown clouds, formed by the burning of fossil fuels, biofuels, wood and plants, absorb sunlight and heat the air, experts write in the study released today in Beijing.
A press summary and link to the report, "Atmospheric Brown Clouds: Regional Assessment Report with Focus on Asia" are available from UNEP here =>
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