Atmospheric Brown Clouds

Order of the National Green Tribunal regarding depleting habitat of brown bears in Sonmarg and Baltal region of Jammu & Kashmir, 22/04/2025

Order of the National Green Tribunal in the matter of News item appearing in India.com dated 27.07.2024 titled Saving Kashmir Brown Bears is a Race Against Time Wildlife SOS and J & K Wildlife Protection Dept take challenge dated 22/04/2025. The Member Secretary, J&K PCC submits that now the snow …

Asian skies poisoned by clouds of pollution

A noxious cocktail of soot, smog and toxic chemicals is blotting out the sun, fouling the lungs of millions of people and altering weather patterns in large parts of Asia, according to a report released Thursday by the United Nations. The byproduct of automobiles, slash-and-burn agriculture, wood-burning stoves and coal-fired …

Melting Asia

China and India are increasingly keen to be seen to be tackling climate change; though it is dirtier, China is making a more convincing show of action Since 2006 the railway line across the Tibetan plateau (above) has been carrying passengers and freight across a landscape of snow-covered peaks and …

Global and regional climate changes due to black carbon

Abstract Black carbon in soot is the dominant absorber of visible solar radiation in the atmosphere. Anthropogenic sources of black carbon, although distributed globally, are most concentrated in the tropics where solar irradiance is highest. Black carbon is often transported over long distances, mixing with other aerosols along the way. …

Atmospheric brown clouds: Impacts on South Asian climate and hydrological cycle

South Asian emissions of fossil fuel SO2 and black carbon increased 6-fold since 1930, resulting in large atmospheric concentrations of black carbon and other aerosols. This period also witnessed strong negative trends of surface solar radiation, surface evaporation, and summer monsoon rainfall. These changes over India were accompanied by an …

Reduction of tropical cloudiness by soot

Measurements and models show that enhanced aerosol concentrations can augment cloud albedo not only by increasing total droplet cross-sectional area, but also by reducing precipitation and thereby increasing cloud water content and cloud coverage. Aerosol pollution is expected to exert a net cooling influence on the global climate through these …

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