Aerosols

Source:  TOI Subject: Environment Context: A new IIT Madras–led study published in Science Advances shows that air pollution aerosols are intensifying and prolonging winter fog over north India. About Aerosols: What they are? Aerosols are tiny solid or liquid particles suspended in the atmosphere, often invisible to the naked eye, that strongly influence air quality, …

How much do industrial aerosols contribute to global cooling? New study offers clues

GS Paper 3 Syllabus: Environment   Source: DTE  Context: A new study found that inactive volcanoes contributed 66 percent of preindustrial era sulphate emissions, which are known to have a cooling effect on the planet. This suggests that there are more inactive or non-eruptive volcanoes emitting sulphates than previously estimated, potentially leading to inaccuracies in …