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, …

Sudden Stratospheric Warming (SSW) Event

Source:  NW Context: Meteorologists have warned that another Sudden Stratospheric Warming (SSW) event may occur in December 2025, potentially disrupting the polar vortex and sending unusually cold Arctic air into parts of the United States. About Sudden Stratospheric Warming (SSW) Event: What is SSW? Sudden Stratospheric Warming is a rapid temperature rise (up to 50°C) …