Tiny air pollution particles commonly called soot, but also known as black carbon, are in the air and on the move throughout our planet. The Indo-Gangetic plain, one of the most fertile and densely populated areas on Earth, has become a hotspot for emissions of black carbon (shown in purple and white). Winds push thick clouds of black carbon and dust, which absorb heat from sunlight, toward the base of the Himalayas where they accumulate, rise and drive a "heat pump" that affects the region's climate. (Credit: NASA)
A new modeling study from NASA confirms that when tiny air pollution particles we commonly call soot — also known as black carbon — travel along wind currents from densely populated south Asian cities and accumulate over a climate hotspot called the Tibetan Plateau, the melting of ice fastens.
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